[ 407.314304][ T2199] br1: port 1(vx1) entered blocking state
[ 407.314480][ T2199] br1: port 1(vx1) entered disabled state
[ 407.314627][ T2199] vx1: entered allmulticast mode
[ 407.316738][ T2199] vx1: entered promiscuous mode
[ 407.317289][ T2199] br1: port 1(vx1) entered blocking state
[ 407.317426][ T2199] br1: port 1(vx1) entered forwarding state
[ 407.347224][ T2200] br1: port 2(veth1) entered blocking state
[ 407.347455][ T2200] br1: port 2(veth1) entered disabled state
[ 407.347701][ T2200] veth1: entered allmulticast mode
[ 407.349148][ T2200] veth1: entered promiscuous mode
[ 407.382382][ T48] br1: port 2(veth1) entered blocking state
[ 407.382694][ T48] br1: port 2(veth1) entered forwarding state
[ 407.464712][ T2203] br1: port 3(veth2) entered blocking state
[ 407.464909][ T2203] br1: port 3(veth2) entered disabled state
[ 407.465107][ T2203] veth2: entered allmulticast mode
[ 407.466594][ T2203] veth2: entered promiscuous mode
[ 407.498551][ T48] br1: port 3(veth2) entered blocking state
[ 407.498937][ T48] br1: port 3(veth2) entered forwarding state
[ 408.704432][ T2251] br2: port 1(w1) entered blocking state
[ 408.704604][ T2251] br2: port 1(w1) entered disabled state
[ 408.704755][ T2251] w1: entered allmulticast mode
[ 408.706241][ T2251] w1: entered promiscuous mode
[ 408.754459][ T2252] br2: port 1(w1) entered blocking state
[ 408.754725][ T2252] br2: port 1(w1) entered forwarding state
[ 408.916785][ T2257] br2: port 2(vx2) entered blocking state
[ 408.917010][ T2257] br2: port 2(vx2) entered disabled state
[ 408.917246][ T2257] vx2: entered allmulticast mode
[ 408.919506][ T2257] vx2: entered promiscuous mode
[ 408.920159][ T2257] br2: port 2(vx2) entered blocking state
[ 408.920340][ T2257] br2: port 2(vx2) entered forwarding state
[ 408.925078][ T48] br2: port 1(w1) entered disabled state
[ 409.157031][ T188] br2: port 1(w1) entered blocking state
[ 409.157296][ T188] br2: port 1(w1) entered forwarding state
[ 409.672954][ T2290] br2: port 1(w1) entered blocking state
[ 409.673178][ T2290] br2: port 1(w1) entered disabled state
[ 409.673381][ T2290] w1: entered allmulticast mode
[ 409.674846][ T2290] w1: entered promiscuous mode
[ 409.702573][ T2291] br2: port 1(w1) entered blocking state
[ 409.702742][ T2291] br2: port 1(w1) entered forwarding state
[ 409.830718][ T2296] br2: port 2(vx2) entered blocking state
[ 409.830908][ T2296] br2: port 2(vx2) entered disabled state
[ 409.831123][ T2296] vx2: entered allmulticast mode
[ 409.832564][ T2296] vx2: entered promiscuous mode
[ 409.833161][ T2296] br2: port 2(vx2) entered blocking state
[ 409.833356][ T2296] br2: port 2(vx2) entered forwarding state
[ 409.933702][ T48] br2: port 1(w1) entered disabled state
[ 410.016586][ T338] br2: port 1(w1) entered blocking state
[ 410.016854][ T338] br2: port 1(w1) entered forwarding state
[ 410.677423][ C3]
[ 410.677788][ C3] =============================
[ 410.677944][ C3] WARNING: suspicious RCU usage
[ 410.678100][ C3] 7.2.0-rc1-virtme #1 Not tainted
[ 410.678249][ C3] -----------------------------
[ 410.678397][ C3] drivers/net/vxlan/vxlan_core.c:872 suspicious rcu_dereference_protected() usage!
[ 410.678670][ C3]
[ 410.678670][ C3] other info that might help us debug this:
[ 410.678670][ C3]
[ 410.678967][ C3]
[ 410.678967][ C3] rcu_scheduler_active = 2, debug_locks = 1
[ 410.679194][ C3] 3 locks held by swapper/3/0:
[ 410.679368][ C3] #0: ffffffff9357de40 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x561/0x1490
[ 410.679660][ C3] #1: ffffffff9357de40 (rcu_read_lock){....}-{1:3}, at: ip6_input+0xa1/0x570
[ 410.679924][ C3] #2: ff11000010f2af68 (&vxlan->hash_lock){+.-.}-{3:3}, at: vxlan_snoop+0x5dc/0x9a0 [vxlan]
[ 410.680252][ C3]
[ 410.680252][ C3] stack backtrace:
[ 410.680435][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(full)
[ 410.680438][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 410.680440][ C3] Call Trace:
[ 410.680442][ C3]
[ 410.680443][ C3] dump_stack_lvl+0x6f/0xa0
[ 410.680449][ C3] lockdep_rcu_suspicious.cold+0x37/0x89
[ 410.680455][ C3] vxlan_fdb_create+0xe1b/0x1a70 [vxlan]
[ 410.680460][ C3] ? vxlan_find_mac_rcu+0x578/0x6b0 [vxlan]
[ 410.680466][ C3] ? lock_acquire.part.0+0xbc/0x260
[ 410.680470][ C3] ? find_held_lock+0x2b/0x80
[ 410.680473][ C3] ? vxlan_open+0x340/0x340 [vxlan]
[ 410.680477][ C3] ? __lock_release.isra.0+0x6b/0x1a0
[ 410.680482][ C3] vxlan_fdb_update+0x208/0x3e0 [vxlan]
[ 410.680489][ C3] ? vxlan_fdb_create+0x1a70/0x1a70 [vxlan]
[ 410.680492][ C3] ? lock_acquire.part.0+0xbc/0x260
[ 410.680494][ C3] ? do_raw_spin_lock+0x131/0x280
[ 410.680498][ C3] vxlan_snoop+0x6ba/0x9a0 [vxlan]
[ 410.680506][ C3] vxlan_rcv+0x172e/0x2c20 [vxlan]
[ 410.680515][ C3] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 410.680519][ C3] ? __udp6_lib_lookup+0x6c3/0x9a0
[ 410.680526][ C3] ? __lock_release.isra.0+0x6b/0x1a0
[ 410.680527][ C3] ? ip6_protocol_deliver_rcu+0xa78/0x1480
[ 410.680530][ C3] ? encap_bypass_if_local+0x290/0x290 [vxlan]
[ 410.680534][ C3] ? udpv6_queue_rcv_one_skb+0x653/0xbf0
[ 410.680537][ C3] udpv6_queue_rcv_one_skb+0x653/0xbf0
[ 410.680540][ C3] udp6_unicast_rcv_skb+0x2b3/0x390
[ 410.680544][ C3] ip6_protocol_deliver_rcu+0x15c/0x1480
[ 410.680550][ C3] ip6_input_finish+0x196/0x590
[ 410.680553][ C3] ip6_input+0x130/0x570
[ 410.680555][ C3] ? ip6_input_finish+0x590/0x590
[ 410.680558][ C3] ? ip6_rcv_core+0xded/0x1be0
[ 410.680562][ C3] ipv6_rcv+0x3c1/0x5a0
[ 410.680564][ C3] ? ip6_rcv_core+0x1be0/0x1be0
[ 410.680568][ C3] ? mark_usage+0x61/0x170
[ 410.680570][ C3] ? __lock_acquire+0x518/0xc20
[ 410.680574][ C3] ? process_backlog+0x561/0x1490
[ 410.680576][ C3] __netif_receive_skb_one_core+0xfc/0x180
[ 410.680578][ C3] ? lock_acquire.part.0+0xbc/0x260
[ 410.680580][ C3] ? __netif_receive_skb_list_core+0x9e0/0x9e0
[ 410.680583][ C3] ? rcu_is_watching+0x15/0xd0
[ 410.680589][ C3] process_backlog+0x2bc/0x1490
[ 410.680593][ C3] __napi_poll+0xa7/0x3b0
[ 410.680596][ C3] net_rx_action+0x513/0xf50
[ 410.680601][ C3] ? __napi_poll+0x3b0/0x3b0
[ 410.680603][ C3] ? __lock_release.isra.0+0x6b/0x1a0
[ 410.680608][ C3] ? sched_balance_softirq+0x29c/0x320
[ 410.680614][ C3] ? clockevents_program_event+0x307/0x7e0
[ 410.680618][ C3] ? rcu_is_watching+0x15/0xd0
[ 410.680621][ C3] handle_softirqs+0x1d8/0x8f0
[ 410.680626][ C3] ? _local_bh_enable+0xd0/0xd0
[ 410.680633][ C3] __irq_exit_rcu+0x103/0x1c0
[ 410.680635][ C3] irq_exit_rcu+0xe/0x30
[ 410.680637][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0
[ 410.680641][ C3]
[ 410.680641][ C3]
[ 410.680643][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 410.680645][ C3] RIP: 0010:finish_task_switch.isra.0+0x217/0xa50
[ 410.680649][ C3] Code: 03 0f 8e 84 06 00 00 c7 83 40 0d 00 00 00 00 00 00 48 8d 7b 48 e8 89 56 4a 02 e8 c4 23 34 00 fb 48 b8 00 00 00 00 00 fc ff df <49> 8d 7c 24 2c 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07
[ 410.680651][ C3] RSP: 0018:ffa0000000167d50 EFLAGS: 00000286
[ 410.680653][ C3] RAX: dffffc0000000000 RBX: ff110000353b7840 RCX: ffffffff90283b7c
[ 410.680654][ C3] RDX: ff11000001bd8040 RSI: ffffffff93016f14 RDI: ffffffff92a7a8e0
[ 410.680655][ C3] RBP: ffa0000000167d90 R08: 0000000000000000 R09: 0000000000000000
[ 410.680656][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: ff11000001bd8040
[ 410.680657][ C3] R13: ff1100000c6d0040 R14: 0000000000000000 R15: ff110000353b8580
[ 410.680660][ C3] ? finish_task_switch.isra.0+0x20c/0xa50
[ 410.680664][ C3] ? __switch_to+0x5a3/0xe00
[ 410.680669][ C3] __schedule+0xf94/0x20e0
[ 410.680675][ C3] ? io_schedule_timeout+0x140/0x140
[ 410.680677][ C3] ? default_idle_call+0x98/0xb0
[ 410.680679][ C3] ? arch_cpu_idle_exit+0x40/0x40
[ 410.680682][ C3] ? mark_tsc_async_resets+0x30/0x30
[ 410.680685][ C3] ? trace_irq_enable.constprop.0+0x9b/0x160
[ 410.680690][ C3] schedule_idle+0x59/0x90
[ 410.680692][ C3] cpu_startup_entry+0x53/0x70
[ 410.680695][ C3] start_secondary+0x204/0x2b0
[ 410.680697][ C3] ? set_cpu_sibling_map+0x2130/0x2130
[ 410.680701][ C3] common_startup_64+0x13e/0x148
[ 410.680709][ C3]
[ 417.025328][ T2378] GACT probability NOT on
[ 464.634282][ T2654] veth3: entered promiscuous mode
[ 476.829988][ T3143] veth3: left promiscuous mode
[ 494.095021][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.195590][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.296342][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.396802][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.497221][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.597673][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.698097][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.798505][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.898960][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 494.999408][ C2] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 543.444009][ C0] net_ratelimit: 10 callbacks suppressed
[ 543.444020][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 543.544733][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 543.645282][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 543.745867][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 543.846394][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 543.946938][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 544.047459][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 544.148007][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 544.248605][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 544.349266][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 545.626605][ T4160] vx1: left allmulticast mode
[ 545.627178][ T4160] vx1: left promiscuous mode
[ 545.627418][ T4160] br1: port 1(vx1) entered disabled state
[ 550.746520][ T4165] br1: port 1(vx1) entered blocking state
[ 550.746722][ T4165] br1: port 1(vx1) entered disabled state
[ 550.746914][ T4165] vx1: entered allmulticast mode
[ 550.748377][ T4165] vx1: entered promiscuous mode
[ 550.749438][ T4165] br1: port 1(vx1) entered blocking state
[ 550.749580][ T4165] br1: port 1(vx1) entered forwarding state
[ 605.558079][ T4460] veth3: entered promiscuous mode
[ 617.708576][ T4949] veth3: left promiscuous mode
[ 617.940801][ T4961] ip (4961) used greatest stack depth: 23664 bytes left
[ 617.970751][ T12] vx2: left allmulticast mode
[ 617.970966][ T12] vx2: left promiscuous mode
[ 617.971206][ T12] br2: port 2(vx2) entered disabled state
[ 617.976084][ T12] w1: left allmulticast mode
[ 617.976237][ T12] w1: left promiscuous mode
[ 617.976444][ T12] br2: port 1(w1) entered disabled state
[ 618.077419][ T12] vx2: left allmulticast mode
[ 618.077715][ T12] vx2: left promiscuous mode
[ 618.077993][ T12] br2: port 2(vx2) entered disabled state
[ 618.080378][ T12] w1: left allmulticast mode
[ 618.080560][ T12] w1: left promiscuous mode
[ 618.081027][ T12] br2: port 1(w1) entered disabled state
[ 618.638133][ T4988] br1: port 3(veth2) entered disabled state
[ 618.663976][ T4989] veth2: left allmulticast mode
[ 618.664141][ T4989] veth2: left promiscuous mode
[ 618.664359][ T4989] br1: port 3(veth2) entered disabled state
[ 618.720455][ T4991] br1: port 2(veth1) entered disabled state
[ 618.743043][ T4992] veth1: left allmulticast mode
[ 618.743245][ T4992] veth1: left promiscuous mode
[ 618.743531][ T4992] br1: port 2(veth1) entered disabled state
[ 618.771028][ T4993] vx1: left allmulticast mode
[ 618.771186][ T4993] vx1: left promiscuous mode
[ 618.771401][ T4993] br1: port 1(vx1) entered disabled state