[    2.053172] ip (262) used greatest stack depth: 12136 bytes left
[    2.492561] br0: port 1(gw_l) entered blocking state
[    2.492656] br0: port 1(gw_l) entered disabled state
[    2.492726] gw_l: entered allmulticast mode
[    2.492811] gw_l: entered promiscuous mode
[    2.492880] br0: port 1(gw_l) entered blocking state
[    2.492937] br0: port 1(gw_l) entered forwarding state
[    2.546926] br0: port 2(amtg) entered blocking state
[    2.547034] br0: port 2(amtg) entered disabled state
[    2.547096] amtg: entered allmulticast mode
[    2.547181] amtg: entered promiscuous mode
[    2.752058] br0: port 2(amtg) entered blocking state
[    2.752119] br0: port 2(amtg) entered forwarding state
[    2.879980] amtr: entered allmulticast mode
[    2.880058] relay_gw: entered allmulticast mode
[    2.880109] relay_src: entered allmulticast mode
[   20.610255] ------------[ cut here ]------------
[   20.610370] refcount_t: underflow; use-after-free.
[   20.610467] WARNING: CPU: 2 PID: 66 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110
[   20.610570] Modules linked in: xt_HL nft_compat nf_tables amt
[   20.610649] CPU: 2 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) 
[   20.610740] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.610829] Workqueue: netns cleanup_net
[   20.610890] RIP: 0010:refcount_warn_saturate+0xbc/0x110
[   20.610954] Code: af e8 e8 54 ba ff 90 0f 0b 90 90 c3 80 3d 00 e6 2b 01 00 75 89 c6 05 f7 e5 2b 01 01 90 48 c7 c7 f8 48 d5 af e8 c5 54 ba ff 90 <0f> 0b 90 90 c3 80 3d db e5 2b 01 00 0f 85 62 ff ff ff c6 05 ce e5
[   20.611112] RSP: 0018:ffffb6368024fd50 EFLAGS: 00010286
[   20.611183] RAX: 0000000000000000 RBX: ffffb6368024fd60 RCX: 00000000ffffdfff
[   20.611270] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001
[   20.611362] RBP: ffffb6368024f858 R08: ffffffffb055ba28 R09: 00000000ffffdfff
[   20.611452] R10: ffffffffb047ba40 R11: ffffffffb052ba40 R12: dead000000000122
[   20.611543] R13: 00000000fffbbc24 R14: 0000000000000001 R15: ffff9a6f4616a000
[   20.611635] FS:  0000000000000000(0000) GS:ffff9a6fce091000(0000) knlGS:0000000000000000
[   20.611728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.611811] CR2: 00007fc458e86000 CR3: 0000000010046001 CR4: 0000000000772ef0
[   20.611903] PKRU: 55555554
[   20.611949] Call Trace:
[   20.611999]  <TASK>
[   20.612048]  netdev_run_todo+0x21a/0x550
[   20.612113]  ops_undo_list+0x1e3/0x1f0
[   20.612182]  cleanup_net+0x1b7/0x300
[   20.612243]  process_one_work+0x162/0x380
[   20.612308]  worker_thread+0x299/0x3c0
[   20.612369]  ? rescuer_thread+0x4c0/0x4c0
[   20.612430]  kthread+0x101/0x1f0
[   20.612490]  ? kthreads_online_cpu+0x110/0x110
[   20.612558]  ? kthreads_online_cpu+0x110/0x110
[   20.612627]  ret_from_fork+0x11c/0x140
[   20.612694]  ? kthreads_online_cpu+0x110/0x110
[   20.612763]  ret_from_fork_asm+0x11/0x20
[   20.612827]  </TASK>
[   20.612876] ---[ end trace 0000000000000000 ]---
[   20.613188] br0: port 1(gw_l) entered disabled state
[   20.613667] gw_l (unregistering): left allmulticast mode
[   20.613752] gw_l (unregistering): left promiscuous mode
[   20.613823] br0: port 1(gw_l) entered disabled state
[   20.635280] amtg: left allmulticast mode
[   20.635392] amtg: left promiscuous mode
[   20.635483] br0: port 2(amtg) entered disabled state
[   20.648453] amtr: left allmulticast mode
[   20.648512] relay_gw: left allmulticast mode
[   20.648552] relay_src: left allmulticast mode