[    2.154163] ip (248) used greatest stack depth: 12136 bytes left
[    2.504260] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[    2.540658] br0: port 1(veth0) entered blocking state
[    2.540762] br0: port 1(veth0) entered disabled state
[    2.540846] veth0: entered allmulticast mode
[    2.540969] veth0: entered promiscuous mode
[    2.552808] br0: port 2(veth1) entered blocking state
[    2.552871] br0: port 2(veth1) entered disabled state
[    2.552929] veth1: entered allmulticast mode
[    2.553026] veth1: entered promiscuous mode
[    2.587016] br0: port 1(veth0) entered blocking state
[    2.587123] br0: port 1(veth0) entered forwarding state
[    2.598321] br0: port 2(veth1) entered blocking state
[    2.598385] br0: port 2(veth1) entered forwarding state
[    3.986617] veth1: left allmulticast mode
[    3.986705] veth1: left promiscuous mode
[    3.986754] br0: port 2(veth1) entered disabled state
[    3.986959] veth0: left allmulticast mode
[    3.987002] veth0: left promiscuous mode
[    3.987041] br0: port 1(veth0) entered disabled state
[    3.987668] BUG: kernel NULL pointer dereference, address: 0000000000000000
[    3.987739] #PF: supervisor write access in kernel mode
[    3.987787] #PF: error_code(0x0002) - not-present page
[    3.987837] PGD 0 P4D 0 
[    3.987869] Oops: Oops: 0002 [#1] SMP
[    3.987913] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) 
[    3.988014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    3.988083] Workqueue: netns cleanup_net
[    3.988129] RIP: 0010:work_grab_pending+0x2f/0x1b0
[    3.988184] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 <f0> 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41
[    3.988371] RSP: 0018:ffffc0b6c025fc30 EFLAGS: 00010046
[    3.988421] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000001388
[    3.988502] RDX: ffffc0b6c025fc68 RSI: 0000000000000000 RDI: 0000000000000000
[    3.988581] RBP: ffffc0b6c025fc68 R08: ffff9b61835c3670 R09: ffff9b61bec24d60
[    3.988661] R10: ffff9b61bec24d78 R11: 000000f3000000f3 R12: 0000000000000000
[    3.988739] R13: ffffc0b6c025fd60 R14: 0000000000000020 R15: ffffc0b6c025fdf0
[    3.988820] FS:  0000000000000000(0000) GS:ffff9b62359d8000(0000) knlGS:0000000000000000
[    3.988914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.988981] CR2: 0000000000000000 CR3: 00000000051ee004 CR4: 0000000000772ef0
[    3.989063] PKRU: 55555554
[    3.989089] Call Trace:
[    3.989118]  <TASK>
[    3.989145]  __cancel_work+0x29/0xe0
[    3.989190]  __cancel_work_sync+0x16/0x80
[    3.989228]  __dev_close_many+0x11b/0x280
[    3.989276]  netif_close_many+0x98/0x160
[    3.989319]  unregister_netdevice_many_notify+0x1d8/0xa50
[    3.989378]  ops_undo_list+0x1de/0x1f0
[    3.989424]  cleanup_net+0x1b7/0x2b0
[    3.989467]  process_one_work+0x162/0x380
[    3.989508]  worker_thread+0x299/0x3c0
[    3.989546]  ? rescuer_thread+0x4c0/0x4c0
[    3.989584]  kthread+0x101/0x1f0
[    3.989627]  ? kthreads_online_cpu+0x110/0x110
[    3.989680]  ? kthreads_online_cpu+0x110/0x110
[    3.989732]  ret_from_fork+0x11c/0x140
[    3.989779]  ? kthreads_online_cpu+0x110/0x110
[    3.989842]  ret_from_fork_asm+0x11/0x20
[    3.989888]  </TASK>
[    3.989913] Modules linked in: ebtable_filter ebt_redirect ebt_ip ebtable_broute ebtables x_tables bridge stp llc veth
[    3.990034] CR2: 0000000000000000
[    3.990070] ---[ end trace 0000000000000000 ]---
[    3.990122] RIP: 0010:work_grab_pending+0x2f/0x1b0
[    3.990168] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 <f0> 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41
[    3.990352] RSP: 0018:ffffc0b6c025fc30 EFLAGS: 00010046
[    3.990392] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000001388
[    3.990470] RDX: ffffc0b6c025fc68 RSI: 0000000000000000 RDI: 0000000000000000
[    3.990548] RBP: ffffc0b6c025fc68 R08: ffff9b61835c3670 R09: ffff9b61bec24d60
[    3.990624] R10: ffff9b61bec24d78 R11: 000000f3000000f3 R12: 0000000000000000
[    3.990703] R13: ffffc0b6c025fd60 R14: 0000000000000020 R15: ffffc0b6c025fdf0
[    3.990781] FS:  0000000000000000(0000) GS:ffff9b62359d8000(0000) knlGS:0000000000000000
[    3.990859] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    3.990927] CR2: 0000000000000000 CR3: 00000000051ee004 CR4: 0000000000772ef0
[    3.991011] PKRU: 55555554
[    3.991034] note: kworker/u16:1[68] exited with irqs disabled