[ 2459.479079] veth_dst: entered promiscuous mode
[ 2459.485482] macvlan0: entered allmulticast mode
[ 2459.485516] veth_dst: entered allmulticast mode
[ 2459.505334] macvlan0: entered promiscuous mode
[ 2459.838156] IPv6: macvlan0: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 2460.505523] macvlan0: left promiscuous mode
[ 2461.770332] veth_dst (unregistering): left allmulticast mode
[ 2461.770442] BUG: kernel NULL pointer dereference, address: 0000000000000858
[ 2461.770478] #PF: supervisor read access in kernel mode
[ 2461.770509] #PF: error_code(0x0000) - not-present page
[ 2461.770541] PGD 6e52067 P4D 0 
[ 2461.770568] Oops: Oops: 0000 [#1] SMP
[ 2461.770594] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 7.2.0-rc1-virtme #1 PREEMPT(lazy) 
[ 2461.770647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2461.770683] Workqueue: netns cleanup_net
[ 2461.770713] RIP: 0010:macvlan_port_release_mac+0x23/0x220
[ 2461.770745] 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
[ 2461.770840] RSP: 0018:ff6c7f7a40067b28 EFLAGS: 00010296
[ 2461.770869] RAX: 0000000000000000 RBX: ff3b7269c6f6a000 RCX: 0000000000000000
[ 2461.770911] RDX: 0000000000000000 RSI: ff3b7269c6f6a818 RDI: ff3b7269c1184000
[ 2461.770955] RBP: ff3b7269c6f6a818 R08: ff3b7269c1403e58 R09: ffffffffa4c73260
[ 2461.770992] R10: 0000000000000000 R11: 0000000000000000 R12: ff3b7269c1184000
[ 2461.771036] R13: ff3b7269c9305f00 R14: ff3b7269c127c5c0 R15: 0000000000000003
[ 2461.771079] FS:  0000000000000000(0000) GS:ff3b726a599b7000(0000) knlGS:0000000000000000
[ 2461.771120] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2461.771162] CR2: 0000000000000858 CR3: 00000000033b7004 CR4: 0000000000771ef0
[ 2461.771202] PKRU: 55555554
[ 2461.771221] Call Trace:
[ 2461.771233]  <TASK>
[ 2461.771250]  ? enable_work+0x3a/0x100
[ 2461.771274]  ? cancel_work_sync+0x62/0x70
[ 2461.771294]  macvlan_port_destroy+0xa1/0xb0
[ 2461.771317]  unregister_netdevice_many_notify+0x685/0xa30
[ 2461.771352]  macvlan_device_event+0x289/0x2c0
[ 2461.771380]  notifier_call_chain+0x6d/0x100
[ 2461.771409]  unregister_netdevice_many_notify+0x547/0xa30
[ 2461.771434]  default_device_exit_batch+0x328/0x3a0
[ 2461.771461]  ops_undo_list+0x10b/0x240
[ 2461.771485]  cleanup_net+0x1d7/0x330
[ 2461.771506]  process_one_work+0x162/0x340
[ 2461.771529]  worker_thread+0x16e/0x2d0
[ 2461.771549]  ? rescuer_thread+0x500/0x500
[ 2461.771570]  kthread+0xe1/0x120
[ 2461.771592]  ? kthread_park+0xa0/0xa0
[ 2461.771616]  ret_from_fork+0x16d/0x250
[ 2461.771645]  ? kthread_park+0xa0/0xa0
[ 2461.771666]  ret_from_fork_asm+0x11/0x20
[ 2461.771697]  </TASK>
[ 2461.771711] Modules linked in: act_mirred ip6_gre cls_bpf netdevsim cls_u32 sch_prio xt_conntrack nft_chain_nat xt_nat chacha libchacha chacha20poly1305 libpoly1305 tls cls_flower act_gact cls_matchall sch_ingress vport_geneve geneve vport_vxlan vport_gre ip_gre gre openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh ipt_REJECT nf_reject_ipv4 ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router [last unloaded: ila]
[ 2461.771932] CR2: 0000000000000858
[ 2461.771954] ---[ end trace 0000000000000000 ]---
[ 2461.771986] RIP: 0010:macvlan_port_release_mac+0x23/0x220
[ 2461.772020] 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
[ 2461.772121] RSP: 0018:ff6c7f7a40067b28 EFLAGS: 00010296
[ 2461.772150] RAX: 0000000000000000 RBX: ff3b7269c6f6a000 RCX: 0000000000000000
[ 2461.772196] RDX: 0000000000000000 RSI: ff3b7269c6f6a818 RDI: ff3b7269c1184000
[ 2461.772239] RBP: ff3b7269c6f6a818 R08: ff3b7269c1403e58 R09: ffffffffa4c73260
[ 2461.772276] R10: 0000000000000000 R11: 0000000000000000 R12: ff3b7269c1184000
[ 2461.772320] R13: ff3b7269c9305f00 R14: ff3b7269c127c5c0 R15: 0000000000000003
[ 2461.772363] FS:  0000000000000000(0000) GS:ff3b726a599b7000(0000) knlGS:0000000000000000
[ 2461.772406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2461.772437] CR2: 0000000000000858 CR3: 00000000033b7004 CR4: 0000000000771ef0
[ 2461.772476] PKRU: 55555554
[ 2461.772492] note: kworker/u16:0[12] exited with irqs disabled