[ 1137.587091] veth_dst: entered promiscuous mode
[ 1137.593595] macvlan0: entered allmulticast mode
[ 1137.593660] veth_dst: entered allmulticast mode
[ 1137.610803] macvlan0: entered promiscuous mode
[ 1138.501247] IPv6: veth_src: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 1138.611003] macvlan0: left promiscuous mode
[ 1139.910418] veth_dst (unregistering): left allmulticast mode
[ 1139.910572] BUG: kernel NULL pointer dereference, address: 0000000000000858
[ 1139.910609] #PF: supervisor read access in kernel mode
[ 1139.910639] #PF: error_code(0x0000) - not-present page
[ 1139.910670] PGD 3f0f067 P4D 0 
[ 1139.910696] Oops: Oops: 0000 [#1] SMP
[ 1139.910719] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) 
[ 1139.910770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1139.910798] Workqueue: netns cleanup_net
[ 1139.910822] RIP: 0010:macvlan_port_release_mac+0x23/0x220
[ 1139.910853] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 4c a1 6b 01 48 89 84 24 80 00 00 00 48 8b 87 00 01 00 00 <f6> 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 58 04 00 00 8b 0a 0f
[ 1139.910953] RSP: 0018:ff8567d9c0067b28 EFLAGS: 00010296
[ 1139.910976] RAX: 0000000000000000 RBX: ff323f89480da000 RCX: 0000000000000000
[ 1139.911026] RDX: 0000000000000000 RSI: ff323f89480da818 RDI: ff323f8946e9b000
[ 1139.911064] RBP: ff323f89480da818 R08: ff323f8941403e58 R09: ffffffffbd073260
[ 1139.911106] R10: 0000000000000000 R11: 0000000000000000 R12: ff323f8946e9b000
[ 1139.911147] R13: ff323f89462e8900 R14: ff323f894127c5c0 R15: 0000000000000003
[ 1139.911198] FS:  0000000000000000(0000) GS:ff323f89c15b7000(0000) knlGS:0000000000000000
[ 1139.911240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1139.911273] CR2: 0000000000000858 CR3: 00000000061a1005 CR4: 0000000000771ef0
[ 1139.911316] PKRU: 55555554
[ 1139.911330] Call Trace:
[ 1139.911346]  <TASK>
[ 1139.911361]  ? enable_work+0x3a/0x100
[ 1139.911384]  ? cancel_work_sync+0x62/0x70
[ 1139.911404]  macvlan_port_destroy+0xa1/0xb0
[ 1139.911425]  unregister_netdevice_many_notify+0x685/0xa30
[ 1139.911457]  macvlan_device_event+0x289/0x2c0
[ 1139.911483]  notifier_call_chain+0x6d/0x100
[ 1139.911502]  unregister_netdevice_many_notify+0x547/0xa30
[ 1139.911530]  default_device_exit_batch+0x328/0x3a0
[ 1139.911557]  ops_undo_list+0x10b/0x240
[ 1139.911577]  cleanup_net+0x1d7/0x330
[ 1139.911596]  process_one_work+0x162/0x340
[ 1139.911618]  worker_thread+0x16e/0x2d0
[ 1139.911640]  ? rescuer_thread+0x500/0x500
[ 1139.911659]  kthread+0xe1/0x120
[ 1139.911679]  ? kthread_park+0xa0/0xa0
[ 1139.911701]  ret_from_fork+0x16d/0x250
[ 1139.911724]  ? kthread_park+0xa0/0xa0
[ 1139.911744]  ret_from_fork_asm+0x11/0x20
[ 1139.911767]  </TASK>
[ 1139.911781] Modules linked in: cls_matchall act_gact netdevsim psample cls_bpf xt_HL amt xt_bpf xt_length xt_conntrack nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6_gre ip_gre gre chacha libchacha chacha20poly1305 libpoly1305 tls vxlan unix_diag cls_flower sch_prio xt_mark sch_ingress act_mirred cls_basic sch_fq_codel geneve ip6t_REJECT nf_reject_ipv6 nft_compat nf_tables [last unloaded: ila]
[ 1139.911993] CR2: 0000000000000858
[ 1139.912016] ---[ end trace 0000000000000000 ]---
[ 1139.912046] RIP: 0010:macvlan_port_release_mac+0x23/0x220
[ 1139.912074] Code: 10 eb d9 0f 1f 40 00 0f 1f 44 00 00 48 81 ec 88 00 00 00 65 48 8b 05 4c a1 6b 01 48 89 84 24 80 00 00 00 48 8b 87 00 01 00 00 <f6> 80 58 08 00 00 01 74 24 48 8b 10 48 8b 92 58 04 00 00 8b 0a 0f
[ 1139.912173] RSP: 0018:ff8567d9c0067b28 EFLAGS: 00010296
[ 1139.912201] RAX: 0000000000000000 RBX: ff323f89480da000 RCX: 0000000000000000
[ 1139.912240] RDX: 0000000000000000 RSI: ff323f89480da818 RDI: ff323f8946e9b000
[ 1139.912279] RBP: ff323f89480da818 R08: ff323f8941403e58 R09: ffffffffbd073260
[ 1139.912328] R10: 0000000000000000 R11: 0000000000000000 R12: ff323f8946e9b000
[ 1139.912366] R13: ff323f89462e8900 R14: ff323f894127c5c0 R15: 0000000000000003
[ 1139.912412] FS:  0000000000000000(0000) GS:ff323f89c15b7000(0000) knlGS:0000000000000000
[ 1139.912459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1139.912490] CR2: 0000000000000858 CR3: 00000000061a1005 CR4: 0000000000771ef0
[ 1139.912533] PKRU: 55555554
[ 1139.912545] note: kworker/u16:0[12] exited with irqs disabled