[ 40.256822][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 5120 ms [ 40.257347][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 5120000 usecs ago [ 45.376820][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 10240 ms [ 45.377188][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 10240000 usecs ago [ 51.520823][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 16384 ms [ 51.521195][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 16384000 usecs ago [ 57.152821][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 22016 ms [ 57.153175][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 22016000 usecs ago [ 62.272820][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 27136 ms [ 62.273196][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 27136000 usecs ago [ 67.392822][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 32256 ms [ 67.393195][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 32256000 usecs ago [ 73.536824][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 38400 ms [ 73.537195][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 38400000 usecs ago [ 79.168822][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 44032 ms [ 79.169192][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 44032000 usecs ago [ 84.288821][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 49152 ms [ 84.289193][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 49152000 usecs ago [ 89.408825][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 54272 ms [ 89.409220][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 54272000 usecs ago [ 95.552822][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 60416 ms [ 95.553197][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 60416000 usecs ago [ 101.184820][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 66048 ms [ 101.185198][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 66048000 usecs ago [ 106.304819][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 71168 ms [ 106.305184][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 71168000 usecs ago [ 112.448823][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 77312 ms [ 112.449220][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 77312000 usecs ago [ 118.080821][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 82944 ms [ 118.081230][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 82944000 usecs ago [ 123.200820][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 88064 ms [ 123.201182][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 88064000 usecs ago [ 128.320991][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 93184 ms [ 128.321352][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 93184000 usecs ago [ 134.464823][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 99328 ms [ 134.465233][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 99328000 usecs ago [ 140.096821][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 104960 ms [ 140.097219][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 104960000 usecs ago [ 145.216822][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 110080 ms [ 145.217234][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 110080000 usecs ago [ 150.336820][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 115200 ms [ 150.337234][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 115200000 usecs ago [ 156.480823][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 121344 ms [ 156.481290][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 121344000 usecs ago [ 162.112823][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 126976 ms [ 162.113227][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 126976000 usecs ago [ 167.232822][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 132096 ms [ 167.233288][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 132096000 usecs ago [ 172.352826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 137216 ms [ 172.353256][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 137216000 usecs ago [ 178.496825][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 143360 ms [ 178.497262][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 143360000 usecs ago [ 184.128825][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 148992 ms [ 184.129274][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 148992000 usecs ago [ 189.248823][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 154112 ms [ 189.249256][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 154112000 usecs ago [ 194.368824][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 159232 ms [ 194.369267][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 159232000 usecs ago [ 200.512824][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 165376 ms [ 200.513260][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 165376000 usecs ago [ 206.144823][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 171008 ms [ 206.145255][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 171008000 usecs ago [ 211.264827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 176128 ms [ 211.265264][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 176128000 usecs ago [ 216.384827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 181248 ms [ 216.385267][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 181248000 usecs ago [ 222.528825][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 187392 ms [ 222.529317][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 187392000 usecs ago [ 228.160826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 193024 ms [ 228.161300][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 193024000 usecs ago [ 233.280830][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 198144 ms [ 233.281443][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 198144000 usecs ago [ 238.399827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 203263 ms [ 238.400297][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 203263000 usecs ago [ 244.543831][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 209407 ms [ 244.544463][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 209407000 usecs ago [ 247.103886][ T44] INFO: task ip:256 blocked for more than 122 seconds. [ 247.104361][ T44] Not tainted 6.18.0-virtme #1 [ 247.104537][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.104881][ T44] task:ip state:D stack:25520 pid:256 tgid:256 ppid:251 task_flags:0x400100 flags:0x00080000 [ 247.105282][ T44] Call Trace: [ 247.105433][ T44] [ 247.105535][ T44] __schedule+0xae2/0x1720 [ 247.105736][ T44] ? io_schedule_timeout+0x130/0x130 [ 247.105933][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.106120][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.106306][ T44] schedule+0xd4/0x260 [ 247.106450][ T44] schedule_preempt_disabled+0x18/0x30 [ 247.106630][ T44] __mutex_lock+0xd76/0x1f20 [ 247.106827][ T44] ? napi_enable+0x3b/0x80 [ 247.107017][ T44] ? ww_mutex_lock+0x160/0x160 [ 247.107199][ T44] ? __asan_memset+0x27/0x50 [ 247.107388][ T44] ? sg_init_table+0x19/0x60 [ 247.107589][ T44] ? try_fill_recv+0x3ec/0x1750 [ 247.107783][ T44] ? napi_enable+0x3b/0x80 [ 247.108003][ T44] napi_enable+0x3b/0x80 [ 247.108142][ T44] __virtnet_rx_resume+0x156/0x290 [ 247.108327][ T44] ? queue_delayed_work_on+0x91/0x100 [ 247.108524][ T44] virtnet_rx_resume_all+0xe7/0x1a0 [ 247.108712][ T44] virtnet_xdp_set+0xef7/0x1aa0 [ 247.108928][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0 [ 247.109111][ T44] dev_xdp_install+0x3e4/0x890 [ 247.109297][ T44] ? alloc_netdev_dummy+0x30/0x30 [ 247.109492][ T44] dev_xdp_attach+0x50d/0x1310 [ 247.109680][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0 [ 247.109878][ T44] ? __bpf_prog_get+0x320/0x320 [ 247.110066][ T44] dev_change_xdp_fd+0x176/0x210 [ 247.110513][ T44] do_setlink.isra.0+0x1c2d/0x2880 [ 247.110703][ T44] ? rtnl_newlink_create+0x900/0x900 [ 247.110895][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 247.111116][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 247.111293][ T44] ? validate_chain+0x30f/0x8e0 [ 247.111477][ T44] ? rcu_read_lock_any_held+0x66/0x90 [ 247.111652][ T44] ? stack_depot_save_flags+0x3e1/0x6e0 [ 247.111844][ T44] ? __lock_acquire+0x577/0xc10 [ 247.112034][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0 [ 247.112214][ T44] ? rtnl_newlink+0x5f9/0xb40 [ 247.112397][ T44] ? lock_acquire+0x10a/0x150 [ 247.112579][ T44] ? rcu_is_watching+0x15/0xd0 [ 247.112764][ T44] ? rcu_is_watching+0x15/0xd0 [ 247.112966][ T44] ? trace_contention_end+0xd6/0x110 [ 247.113149][ T44] ? __mutex_lock+0x285/0x1f20 [ 247.113339][ T44] ? rtnl_newlink+0x5f9/0xb40 [ 247.113526][ T44] ? ww_mutex_lock+0x160/0x160 [ 247.113710][ T44] ? nla_validate_int_range+0x5b0/0x5b0 [ 247.113908][ T44] ? __rtnl_newlink+0x3fa/0xa40 [ 247.114095][ T44] rtnl_newlink+0x649/0xb40 [ 247.114287][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.114483][ T44] ? __rtnl_newlink+0xa40/0xa40 [ 247.114668][ T44] ? __lock_acquire+0x577/0xc10 [ 247.114863][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.115048][ T44] ? find_held_lock+0x2b/0x80 [ 247.115233][ T44] ? __rtnl_newlink+0xa40/0xa40 [ 247.115422][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.115611][ T44] ? __rtnl_newlink+0xa40/0xa40 [ 247.115797][ T44] rtnetlink_rcv_msg+0x6fe/0xb90 [ 247.115991][ T44] ? rtnl_port_fill+0x940/0x940 [ 247.116170][ T44] ? __lock_acquire+0x577/0xc10 [ 247.116353][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.116532][ T44] ? find_held_lock+0x2b/0x80 [ 247.116714][ T44] netlink_rcv_skb+0x123/0x380 [ 247.116911][ T44] ? rtnl_port_fill+0x940/0x940 [ 247.117096][ T44] ? netlink_ack+0xcc0/0xcc0 [ 247.117282][ T44] ? netlink_deliver_tap+0xc5/0x330 [ 247.117464][ T44] ? netlink_deliver_tap+0x13f/0x330 [ 247.117645][ T44] netlink_unicast+0x4a3/0x770 [ 247.117834][ T44] ? netlink_attachskb+0x810/0x810 [ 247.118014][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.118195][ T44] ? __lock_acquire+0x577/0xc10 [ 247.118391][ T44] netlink_sendmsg+0x735/0xc60 [ 247.118578][ T44] ? netlink_unicast+0x770/0x770 [ 247.118770][ T44] ____sys_sendmsg+0x419/0x850 [ 247.118958][ T44] ? copy_msghdr_from_user+0x270/0x430 [ 247.119137][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 247.119364][ T44] ? move_addr_to_kernel+0x40/0x40 [ 247.119542][ T44] ? stack_depot_save_flags+0x3e1/0x6e0 [ 247.119723][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 247.119913][ T44] ___sys_sendmsg+0xfd/0x180 [ 247.120091][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00 [ 247.120316][ T44] ? copy_msghdr_from_user+0x430/0x430 [ 247.120528][ T44] __sys_sendmsg+0x124/0x1c0 [ 247.120708][ T44] ? __sys_sendmsg_sock+0x20/0x20 [ 247.120906][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 247.121091][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00 [ 247.121326][ T44] ? do_raw_spin_unlock+0x59/0x250 [ 247.121515][ T44] ? rcu_is_watching+0x15/0xd0 [ 247.121700][ T44] do_syscall_64+0xbd/0xfc0 [ 247.121894][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 247.122122][ T44] RIP: 0033:0x7f08fff55c5e [ 247.122317][ T44] RSP: 002b:00007ffeb5d60730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 247.122604][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f08fff55c5e [ 247.122888][ T44] RDX: 0000000000000000 RSI: 00007ffeb5d607f0 RDI: 0000000000000003 [ 247.123162][ T44] RBP: 00007ffeb5d60740 R08: 0000000000000000 R09: 0000000000000000 [ 247.123440][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb5d60eb0 [ 247.123719][ T44] R13: 00000000693cadb1 R14: 0000000000000000 R15: 0000000000499600 [ 247.124014][ T44] [ 247.124162][ T44] INFO: task ip:256 is blocked on a mutex likely owned by task kworker/2:1:66. [ 247.124467][ T44] task:kworker/2:1 state:D stack:27344 pid:66 tgid:66 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 247.124885][ T44] Workqueue: events refill_work [ 247.125072][ T44] Call Trace: [ 247.125212][ T44] [ 247.125310][ T44] __schedule+0xae2/0x1720 [ 247.125505][ T44] ? usleep_range_state+0xba/0x1b0 [ 247.125688][ T44] ? io_schedule_timeout+0x130/0x130 [ 247.125885][ T44] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 247.126116][ T44] ? hrtimer_try_to_cancel+0x20/0x330 [ 247.126308][ T44] ? usleep_range_state+0xba/0x1b0 [ 247.126497][ T44] schedule+0xd4/0x260 [ 247.126636][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0 [ 247.126874][ T44] ? schedule_timeout_idle+0xe0/0xe0 [ 247.127063][ T44] ? __hrtimer_cb_get_time+0x50/0x50 [ 247.127246][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 247.127433][ T44] ? ktime_get+0x15e/0x220 [ 247.127620][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 247.127804][ T44] ? ktime_get+0xa9/0x220 [ 247.127957][ T44] usleep_range_state+0x133/0x1b0 [ 247.128143][ T44] ? schedule_hrtimeout+0x20/0x20 [ 247.128324][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0 [ 247.128511][ T44] ? refill_work+0x149/0x210 [ 247.128699][ T44] napi_disable_locked+0x379/0x5f0 [ 247.128907][ T44] ? _mutex_trylock_nest_lock+0x340/0x340 [ 247.129091][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470 [ 247.129321][ T44] napi_disable+0x43/0x80 [ 247.129464][ T44] refill_work+0x116/0x210 [ 247.129650][ T44] process_one_work+0xd57/0x1390 [ 247.129851][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 247.130035][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.130230][ T44] ? assign_work+0x152/0x380 [ 247.130420][ T44] worker_thread+0x4d6/0xd40 [ 247.130612][ T44] ? process_one_work+0x1390/0x1390 [ 247.130796][ T44] ? __kthread_parkme+0xb3/0x200 [ 247.130991][ T44] ? process_one_work+0x1390/0x1390 [ 247.131172][ T44] kthread+0x355/0x5b0 [ 247.131309][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 247.131489][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.131671][ T44] ? rcu_is_watching+0x15/0xd0 [ 247.131860][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 247.132036][ T44] ret_from_fork+0x3fb/0x510 [ 247.132214][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 247.132439][ T44] ? __switch_to+0x602/0xd00 [ 247.132616][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 247.132796][ T44] ret_from_fork_asm+0x11/0x20 [ 247.133008][ T44] [ 247.133157][ T44] [ 247.133157][ T44] Showing all locks held in the system: [ 247.133413][ T44] 3 locks held by kworker/u16:0/12: [ 247.133583][ T44] #0: ff1100000906e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 247.134031][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 247.134456][ T44] #2: ffffffff9b678aa8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 247.134762][ T44] 1 lock held by khungtaskd/44: [ 247.134943][ T44] #0: ffffffff9af70ba0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 247.135295][ T44] 3 locks held by kworker/2:1/66: [ 247.135467][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 247.135817][ T44] #1: ffa0000000477cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 247.136195][ T44] #2: ff1100000896ac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 247.136503][ T44] 2 locks held by ip/256: [ 247.136627][ T44] #0: ffffffff9b678aa8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5f9/0xb40 [ 247.136953][ T44] #1: ff1100000896ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 247.137249][ T44] [ 247.137340][ T44] ============================================= [ 247.137340][ T44] [ 250.176825][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 215040 ms [ 250.177275][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 215040000 usecs ago [ 255.296844][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 220160 ms [ 255.297294][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 220160000 usecs ago [ 260.416827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 225280 ms [ 260.417285][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 225280000 usecs ago [ 266.560826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 231424 ms [ 266.561290][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 231424000 usecs ago [ 272.192826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 237056 ms [ 272.193311][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 237056000 usecs ago [ 277.312827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 242176 ms [ 277.313283][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 242176000 usecs ago [ 283.456827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 248320 ms [ 283.457273][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 248320000 usecs ago [ 289.088826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 253952 ms [ 289.089300][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 253952000 usecs ago [ 294.207837][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 259071 ms [ 294.208468][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 259071000 usecs ago [ 299.328827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 264192 ms [ 299.329277][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 264192000 usecs ago [ 305.472827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 270336 ms [ 305.473315][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 270336000 usecs ago [ 311.104826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 275968 ms [ 311.105298][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 275968000 usecs ago [ 316.224826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 281088 ms [ 316.225316][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 281088000 usecs ago [ 321.344825][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 286208 ms [ 321.345282][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 286208000 usecs ago [ 327.487830][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 292351 ms [ 327.488469][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 292351000 usecs ago [ 333.120195][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 297983 ms [ 333.120833][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 297984000 usecs ago [ 338.240826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 303104 ms [ 338.241300][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 303104000 usecs ago [ 343.360831][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 308224 ms [ 343.361448][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 308224000 usecs ago [ 349.504827][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 314368 ms [ 349.505276][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 314368000 usecs ago [ 355.135831][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 319999 ms [ 355.136485][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 319999000 usecs ago [ 360.255826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 325119 ms [ 360.256291][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 325119000 usecs ago [ 365.375826][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 330239 ms [ 365.376290][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 330239000 usecs ago [ 369.983832][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds. [ 369.984125][ T44] Not tainted 6.18.0-virtme #1 [ 369.984245][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.984454][ T44] task:kworker/u16:0 state:D stack:27936 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 369.984742][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.984938][ T44] Call Trace: [ 369.985045][ T44] [ 369.985114][ T44] __schedule+0xae2/0x1720 [ 369.985259][ T44] ? io_schedule_timeout+0x130/0x130 [ 369.985388][ T44] ? __lock_release.isra.0+0x59/0x170 [ 369.985507][ T44] ? __lock_release.isra.0+0x59/0x170 [ 369.985633][ T44] schedule+0xd4/0x260 [ 369.985723][ T44] schedule_preempt_disabled+0x18/0x30 [ 369.985854][ T44] __mutex_lock+0xd76/0x1f20 [ 369.985974][ T44] ? addrconf_verify_work+0x12/0x30 [ 369.986095][ T44] ? ww_mutex_lock+0x160/0x160 [ 369.986223][ T44] ? process_one_work+0xd16/0x1390 [ 369.986349][ T44] ? rcu_is_watching+0x15/0xd0 [ 369.986468][ T44] ? rcu_is_watching+0x15/0xd0 [ 369.986588][ T44] ? addrconf_verify_work+0x12/0x30 [ 369.986711][ T44] addrconf_verify_work+0x12/0x30 [ 369.986844][ T44] process_one_work+0xd57/0x1390 [ 369.986966][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 369.987089][ T44] ? assign_work+0x152/0x380 [ 369.987208][ T44] worker_thread+0x4d6/0xd40 [ 369.987334][ T44] ? process_one_work+0x1390/0x1390 [ 369.987451][ T44] kthread+0x355/0x5b0 [ 369.987542][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 369.987670][ T44] ? __lock_release.isra.0+0x59/0x170 [ 369.987795][ T44] ? rcu_is_watching+0x15/0xd0 [ 369.987926][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 369.988052][ T44] ret_from_fork+0x3fb/0x510 [ 369.988177][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 369.988338][ T44] ? __switch_to+0x602/0xd00 [ 369.988469][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 369.988601][ T44] ret_from_fork_asm+0x11/0x20 [ 369.988737][ T44] [ 369.988874][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:256. [ 369.989099][ T44] INFO: task ip:256 blocked for more than 245 seconds. [ 369.989246][ T44] Not tainted 6.18.0-virtme #1 [ 369.989369][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.989576][ T44] task:ip state:D stack:25520 pid:256 tgid:256 ppid:251 task_flags:0x400100 flags:0x00080000 [ 369.989863][ T44] Call Trace: [ 369.989958][ T44] [ 369.990022][ T44] __schedule+0xae2/0x1720 [ 369.990145][ T44] ? io_schedule_timeout+0x130/0x130 [ 369.990264][ T44] ? __lock_release.isra.0+0x59/0x170 [ 369.990387][ T44] ? __lock_release.isra.0+0x59/0x170 [ 369.990514][ T44] schedule+0xd4/0x260 [ 369.990607][ T44] schedule_preempt_disabled+0x18/0x30 [ 369.990728][ T44] __mutex_lock+0xd76/0x1f20 [ 369.990852][ T44] ? napi_enable+0x3b/0x80 [ 369.990974][ T44] ? ww_mutex_lock+0x160/0x160 [ 369.991093][ T44] ? __asan_memset+0x27/0x50 [ 369.991224][ T44] ? sg_init_table+0x19/0x60 [ 369.991353][ T44] ? try_fill_recv+0x3ec/0x1750 [ 369.991484][ T44] ? napi_enable+0x3b/0x80 [ 369.991607][ T44] napi_enable+0x3b/0x80 [ 369.991700][ T44] __virtnet_rx_resume+0x156/0x290 [ 369.991823][ T44] ? queue_delayed_work_on+0x91/0x100 [ 369.991944][ T44] virtnet_rx_resume_all+0xe7/0x1a0 [ 369.992065][ T44] virtnet_xdp_set+0xef7/0x1aa0 [ 369.992189][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0 [ 369.992332][ T44] dev_xdp_install+0x3e4/0x890 [ 369.992454][ T44] ? alloc_netdev_dummy+0x30/0x30 [ 369.992581][ T44] dev_xdp_attach+0x50d/0x1310 [ 369.992712][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0 [ 369.992842][ T44] ? __bpf_prog_get+0x320/0x320 [ 369.992967][ T44] dev_change_xdp_fd+0x176/0x210 [ 369.993089][ T44] do_setlink.isra.0+0x1c2d/0x2880 [ 369.993216][ T44] ? rtnl_newlink_create+0x900/0x900 [ 369.993348][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 369.993506][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 369.993636][ T44] ? validate_chain+0x30f/0x8e0 [ 369.993762][ T44] ? rcu_read_lock_any_held+0x66/0x90 [ 369.993894][ T44] ? stack_depot_save_flags+0x3e1/0x6e0 [ 369.994021][ T44] ? __lock_acquire+0x577/0xc10 [ 369.994156][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0 [ 369.994291][ T44] ? rtnl_newlink+0x5f9/0xb40 [ 369.994421][ T44] ? lock_acquire+0x10a/0x150 [ 369.994547][ T44] ? rcu_is_watching+0x15/0xd0 [ 369.994676][ T44] ? rcu_is_watching+0x15/0xd0 [ 369.994801][ T44] ? trace_contention_end+0xd6/0x110 [ 369.994935][ T44] ? __mutex_lock+0x285/0x1f20 [ 369.995061][ T44] ? rtnl_newlink+0x5f9/0xb40 [ 369.995192][ T44] ? ww_mutex_lock+0x160/0x160 [ 369.995322][ T44] ? nla_validate_int_range+0x5b0/0x5b0 [ 369.995450][ T44] ? __rtnl_newlink+0x3fa/0xa40 [ 369.995579][ T44] rtnl_newlink+0x649/0xb40 [ 369.995707][ T44] ? __lock_release.isra.0+0x59/0x170 [ 369.995829][ T44] ? __rtnl_newlink+0xa40/0xa40 [ 369.995949][ T44] ? __lock_acquire+0x577/0xc10 [ 369.996072][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 369.996194][ T44] ? find_held_lock+0x2b/0x80 [ 369.996321][ T44] ? __rtnl_newlink+0xa40/0xa40 [ 369.996439][ T44] ? __lock_release.isra.0+0x59/0x170 [ 369.996557][ T44] ? __rtnl_newlink+0xa40/0xa40 [ 369.996680][ T44] rtnetlink_rcv_msg+0x6fe/0xb90 [ 369.996801][ T44] ? rtnl_port_fill+0x940/0x940 [ 369.996931][ T44] ? __lock_acquire+0x577/0xc10 [ 369.997053][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 369.997169][ T44] ? find_held_lock+0x2b/0x80 [ 369.997287][ T44] netlink_rcv_skb+0x123/0x380 [ 369.997433][ T44] ? rtnl_port_fill+0x940/0x940 [ 369.997564][ T44] ? netlink_ack+0xcc0/0xcc0 [ 369.997693][ T44] ? netlink_deliver_tap+0xc5/0x330 [ 369.997816][ T44] ? netlink_deliver_tap+0x13f/0x330 [ 369.997939][ T44] netlink_unicast+0x4a3/0x770 [ 369.998059][ T44] ? netlink_attachskb+0x810/0x810 [ 369.998179][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 369.998299][ T44] ? __lock_acquire+0x577/0xc10 [ 369.998422][ T44] netlink_sendmsg+0x735/0xc60 [ 369.998542][ T44] ? netlink_unicast+0x770/0x770 [ 369.998671][ T44] ____sys_sendmsg+0x419/0x850 [ 369.998796][ T44] ? copy_msghdr_from_user+0x270/0x430 [ 369.998930][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 369.999086][ T44] ? move_addr_to_kernel+0x40/0x40 [ 369.999213][ T44] ? stack_depot_save_flags+0x3e1/0x6e0 [ 369.999343][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 369.999470][ T44] ___sys_sendmsg+0xfd/0x180 [ 369.999599][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00 [ 369.999765][ T44] ? copy_msghdr_from_user+0x430/0x430 [ 369.999909][ T44] __sys_sendmsg+0x124/0x1c0 [ 370.000037][ T44] ? __sys_sendmsg_sock+0x20/0x20 [ 370.000163][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 370.000287][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00 [ 370.000452][ T44] ? do_raw_spin_unlock+0x59/0x250 [ 370.000578][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.000711][ T44] do_syscall_64+0xbd/0xfc0 [ 370.000851][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 370.001009][ T44] RIP: 0033:0x7f08fff55c5e [ 370.001146][ T44] RSP: 002b:00007ffeb5d60730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 370.001341][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f08fff55c5e [ 370.001521][ T44] RDX: 0000000000000000 RSI: 00007ffeb5d607f0 RDI: 0000000000000003 [ 370.001715][ T44] RBP: 00007ffeb5d60740 R08: 0000000000000000 R09: 0000000000000000 [ 370.001902][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeb5d60eb0 [ 370.002080][ T44] R13: 00000000693cadb1 R14: 0000000000000000 R15: 0000000000499600 [ 370.002265][ T44] [ 370.002359][ T44] INFO: task ip:256 is blocked on a mutex likely owned by task kworker/2:1:66. [ 370.002557][ T44] task:kworker/2:1 state:D stack:27344 pid:66 tgid:66 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 370.002827][ T44] Workqueue: events refill_work [ 370.002946][ T44] Call Trace: [ 370.003039][ T44] [ 370.003104][ T44] __schedule+0xae2/0x1720 [ 370.003224][ T44] ? debug_object_free+0x27a/0x530 [ 370.003353][ T44] ? debug_object_init_on_stack+0x30/0x30 [ 370.003478][ T44] ? io_schedule_timeout+0x130/0x130 [ 370.003608][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.003735][ T44] ? usleep_range_state+0xba/0x1b0 [ 370.003866][ T44] schedule+0xd4/0x260 [ 370.003962][ T44] ? schedule_hrtimeout_range_clock+0x1da/0x2f0 [ 370.004119][ T44] ? schedule_timeout_idle+0xe0/0xe0 [ 370.004251][ T44] ? __hrtimer_cb_get_time+0x50/0x50 [ 370.004381][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 370.004505][ T44] ? ktime_get+0x15e/0x220 [ 370.004633][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 370.004761][ T44] ? ktime_get+0xa9/0x220 [ 370.004870][ T44] ? usleep_range_state+0x133/0x1b0 [ 370.005000][ T44] ? schedule_hrtimeout+0x20/0x20 [ 370.005127][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0 [ 370.005258][ T44] ? refill_work+0x149/0x210 [ 370.005385][ T44] ? napi_disable_locked+0x379/0x5f0 [ 370.005511][ T44] ? _mutex_trylock_nest_lock+0x340/0x340 [ 370.005642][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470 [ 370.005802][ T44] ? napi_disable+0x43/0x80 [ 370.005938][ T44] ? refill_work+0x116/0x210 [ 370.006081][ T44] ? process_one_work+0xd57/0x1390 [ 370.006205][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 370.006326][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 370.006449][ T44] ? assign_work+0x152/0x380 [ 370.006575][ T44] ? worker_thread+0x4d6/0xd40 [ 370.006701][ T44] ? process_one_work+0x1390/0x1390 [ 370.006829][ T44] ? __kthread_parkme+0xb3/0x200 [ 370.006950][ T44] ? process_one_work+0x1390/0x1390 [ 370.007067][ T44] ? kthread+0x355/0x5b0 [ 370.007159][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.007279][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.007404][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.007522][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.007649][ T44] ? ret_from_fork+0x3fb/0x510 [ 370.007775][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 370.007930][ T44] ? __switch_to+0x602/0xd00 [ 370.008049][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.008169][ T44] ? ret_from_fork_asm+0x11/0x20 [ 370.008295][ T44] [ 370.008398][ T44] [ 370.008398][ T44] Showing all locks held in the system: [ 370.008569][ T44] 3 locks held by kworker/u16:0/12: [ 370.008692][ T44] #0: ff1100000906e548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 370.009034][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 370.009318][ T44] #2: ffffffff9b678aa8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 370.009527][ T44] 1 lock held by khungtaskd/44: [ 370.009671][ T44] #0: ffffffff9af70ba0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 370.009912][ T44] 3 locks held by kworker/2:1/66: [ 370.010029][ T44] 2 locks held by ip/256: [ 370.010113][ T44] #0: ffffffff9b678aa8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5f9/0xb40 [ 370.010317][ T44] #1: ff1100000896ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 370.010523][ T44] [ 370.010580][ T44] ============================================= [ 370.010580][ T44] [ 371.563864][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 2 timed out 336427 ms [ 371.615194][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 336478000 usecs ago