[ 872.763410] br1: port 1(vx10) entered blocking state [ 872.763463] br1: port 1(vx10) entered disabled state [ 872.763496] vx10: entered allmulticast mode [ 872.763541] vx10: entered promiscuous mode [ 872.763564] br1: port 1(vx10) entered blocking state [ 872.763593] br1: port 1(vx10) entered forwarding state [ 872.777057] br1: port 2(vx20) entered blocking state [ 872.777098] br1: port 2(vx20) entered disabled state [ 872.777129] vx20: entered allmulticast mode [ 872.777170] vx20: entered promiscuous mode [ 872.777201] br1: port 2(vx20) entered blocking state [ 872.777239] br1: port 2(vx20) entered forwarding state [ 872.783625] br1: port 3(veth1) entered blocking state [ 872.783699] br1: port 3(veth1) entered disabled state [ 872.783772] veth1: entered allmulticast mode [ 872.783861] veth1: entered promiscuous mode [ 872.787153] br1: port 3(veth1) entered blocking state [ 872.787184] br1: port 3(veth1) entered forwarding state [ 872.793458] br1: port 4(veth2) entered blocking state [ 872.793486] br1: port 4(veth2) entered disabled state [ 872.793520] veth2: entered allmulticast mode [ 872.793568] veth2: entered promiscuous mode [ 872.796882] br1: port 4(veth2) entered blocking state [ 872.796946] br1: port 4(veth2) entered forwarding state [ 872.809777] br1: port 5(vx4001) entered blocking state [ 872.809844] br1: port 5(vx4001) entered disabled state [ 872.809910] vx4001: entered allmulticast mode [ 872.810000] vx4001: entered promiscuous mode [ 872.810071] br1: port 5(vx4001) entered blocking state [ 872.810133] br1: port 5(vx4001) entered forwarding state [ 872.854680] br1: entered promiscuous mode [ 873.075533] br1: port 1(vx10) entered blocking state [ 873.075583] br1: port 1(vx10) entered disabled state [ 873.075614] vx10: entered allmulticast mode [ 873.075659] vx10: entered promiscuous mode [ 873.075686] br1: port 1(vx10) entered blocking state [ 873.075714] br1: port 1(vx10) entered forwarding state [ 873.087830] br1: port 2(vx20) entered blocking state [ 873.087870] br1: port 2(vx20) entered disabled state [ 873.087900] vx20: entered allmulticast mode [ 873.087943] vx20: entered promiscuous mode [ 873.087967] br1: port 2(vx20) entered blocking state [ 873.088000] br1: port 2(vx20) entered forwarding state [ 873.100127] br1: port 3(vx4001) entered blocking state [ 873.100158] br1: port 3(vx4001) entered disabled state [ 873.100191] vx4001: entered allmulticast mode [ 873.100236] vx4001: entered promiscuous mode [ 873.100267] br1: port 3(vx4001) entered blocking state [ 873.100295] br1: port 3(vx4001) entered forwarding state [ 873.106568] br1: port 4(w1) entered blocking state [ 873.106597] br1: port 4(w1) entered disabled state [ 873.106627] w1: entered allmulticast mode [ 873.106671] w1: entered promiscuous mode [ 873.109753] br1: port 4(w1) entered blocking state [ 873.109784] br1: port 4(w1) entered forwarding state [ 873.115819] br1: port 5(w3) entered blocking state [ 873.115847] br1: port 5(w3) entered disabled state [ 873.115880] w3: entered allmulticast mode [ 873.115928] w3: entered promiscuous mode [ 873.119216] br1: port 5(w3) entered blocking state [ 873.119282] br1: port 5(w3) entered forwarding state [ 873.154669] br1: entered promiscuous mode [ 873.337704] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 873.337837] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 873.337905] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 873.625646] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 873.625747] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 873.633644] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 873.746646] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 873.810645] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 874.002651] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 874.005648] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 878.353646] net_ratelimit: 5 callbacks suppressed [ 878.353647] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 883.197714] w3: left allmulticast mode [ 883.197760] w3: left promiscuous mode [ 883.197788] br1: port 5(w3) entered disabled state [ 883.197873] w1: left allmulticast mode [ 883.197894] w1: left promiscuous mode [ 883.197916] br1: port 4(w1) entered disabled state [ 883.197999] vx4001: left allmulticast mode [ 883.198025] vx4001: left promiscuous mode [ 883.198046] br1: port 3(vx4001) entered disabled state [ 883.198129] vx20: left allmulticast mode [ 883.198150] vx20: left promiscuous mode [ 883.198170] br1: port 2(vx20) entered disabled state [ 883.198262] vx10: left allmulticast mode [ 883.198279] vx10: left promiscuous mode [ 883.198303] br1: port 1(vx10) entered disabled state [ 883.198957] BUG: kernel NULL pointer dereference, address: 0000000000000858 [ 883.198999] #PF: supervisor read access in kernel mode [ 883.199030] #PF: error_code(0x0000) - not-present page [ 883.199063] PGD 31de067 P4D 0 [ 883.199085] Oops: Oops: 0000 [#1] SMP [ 883.199106] CPU: 3 UID: 0 PID: 64 Comm: kworker/u16:1 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) [ 883.199153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 883.199187] Workqueue: netns cleanup_net [ 883.199209] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 883.199249] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 cc 3a ac d5 48 89 84 24 80 00 00 00 48 8b 87 00 01 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 48 04 00 00 8b 0a 0f [ 883.199345] RSP: 0018:ff74bfd000237aa0 EFLAGS: 00010286 [ 883.199378] RAX: 0000000000000000 RBX: ff324daa508a2000 RCX: 0000000000000000 [ 883.199410] RDX: 0000000000000000 RSI: ff324daa508a2818 RDI: ff324daa44d90000 [ 883.199461] RBP: ff324daa508a2818 R08: ff324daa41403e48 R09: ffffffff95a6e260 [ 883.199516] R10: 0000000000000000 R11: 0000000000000000 R12: ff324daa44d90000 [ 883.199548] R13: ff324daa41d8a800 R14: ff324daa42e68000 R15: 0000000000000003 [ 883.199589] FS: 0000000000000000(0000) GS:ff324daae8bfc000(0000) knlGS:0000000000000000 [ 883.199633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 883.199662] CR2: 0000000000000858 CR3: 000000000bb7a006 CR4: 0000000000771ef0 [ 883.199702] PKRU: 55555554 [ 883.199719] Call Trace: [ 883.199737] [ 883.199753] ? enable_work+0x3a/0x100 [ 883.199776] ? cancel_work_sync+0x62/0x70 [ 883.199800] macvlan_port_destroy+0xa1/0xb0 [macvlan] [ 883.199825] unregister_netdevice_many_notify+0x6cc/0x9e0 [ 883.199861] macvlan_device_event+0x289/0x2c0 [macvlan] [ 883.199888] notifier_call_chain+0x6d/0x100 [ 883.199909] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 883.199936] vlan_device_event+0x42f/0x610 [8021q] [ 883.199963] notifier_call_chain+0x6d/0x100 [ 883.199982] unregister_netdevice_many_notify+0x5b5/0x9e0 [ 883.200010] ops_undo_list+0x20a/0x240 [ 883.200032] cleanup_net+0x1d7/0x2e0 [ 883.200053] process_one_work+0x162/0x340 [ 883.200074] worker_thread+0x16e/0x2d0 [ 883.200095] ? rescuer_thread+0x500/0x500 [ 883.200127] kthread+0xe1/0x120 [ 883.200148] ? kthread_park+0xa0/0xa0 [ 883.200166] ret_from_fork+0x16d/0x250 [ 883.200190] ? kthread_park+0xa0/0xa0 [ 883.200213] ret_from_fork_asm+0x11/0x20 [ 883.200238] [ 883.200256] Modules linked in: macvlan act_vlan act_skbedit act_ct nf_flow_table nf_tables nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 vxlan ip6_udp_tunnel udp_tunnel dummy cls_u32 act_police cls_flower act_mirred 8021q bridge stp llc ip6_gre ip6_tunnel tunnel6 act_gact cls_matchall ip_gre gre ip_tunnel sch_ingress vrf veth [ 883.200425] CR2: 0000000000000858 [ 883.200448] ---[ end trace 0000000000000000 ]--- [ 883.200476] RIP: 0010:macvlan_port_release_mac+0x23/0x220 [macvlan] [ 883.200506] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 cc 3a ac d5 48 89 84 24 80 00 00 00 48 8b 87 00 01 00 00 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 48 04 00 00 8b 0a 0f [ 883.200585] RSP: 0018:ff74bfd000237aa0 EFLAGS: 00010286 [ 883.200610] RAX: 0000000000000000 RBX: ff324daa508a2000 RCX: 0000000000000000 [ 883.200651] RDX: 0000000000000000 RSI: ff324daa508a2818 RDI: ff324daa44d90000 [ 883.200691] RBP: ff324daa508a2818 R08: ff324daa41403e48 R09: ffffffff95a6e260 [ 883.200730] R10: 0000000000000000 R11: 0000000000000000 R12: ff324daa44d90000 [ 883.200771] R13: ff324daa41d8a800 R14: ff324daa42e68000 R15: 0000000000000003 [ 883.200813] FS: 0000000000000000(0000) GS:ff324daae8bfc000(0000) knlGS:0000000000000000 [ 883.200855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 883.200888] CR2: 0000000000000858 CR3: 000000000bb7a006 CR4: 0000000000771ef0 [ 883.200929] PKRU: 55555554 [ 883.200943] note: kworker/u16:1[64] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr