[ 2.193486] bond0: (slave eth0): Enslaving as a backup interface with a down link [ 2.204519] bond0: (slave eth1): Enslaving as a backup interface with a down link [ 2.216035] bond0: (slave eth2): Enslaving as a backup interface with a down link [ 2.227537] bond0: (slave eth3): Enslaving as a backup interface with a down link [ 2.238914] bond0: (slave eth0): Enslaving as a backup interface with an up link [ 2.250744] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 2.262113] bond0: (slave eth0): Enslaving as a backup interface with an up link [ 2.273081] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 2.284400] bond0: Warning: No 802.3ad response from the link partner for any adapters in the bond [ 2.285767] bond0: (slave eth0): link status definitely up, 10000 Mbps full duplex [ 2.285889] bond0: (slave eth1): link status definitely up, 10000 Mbps full duplex [ 2.285957] bond0: (slave eth2): link status definitely up, 10000 Mbps full duplex [ 2.286028] bond0: (slave eth3): link status definitely up, 10000 Mbps full duplex [ 2.286087] bond0: active interface up! [ 2.494826] bond0: (slave eth1): link status definitely down, disabling slave [ 2.503796] bond0: (slave eth1): link status definitely down, disabling slave [ 3.014803] bond0: (slave eth1): link status definitely up, 10000 Mbps full duplex [ 3.022808] bond0: (slave eth1): link status definitely up, 10000 Mbps full duplex [ 3.022990] bond0: active interface up! [ 3.638807] bond0: (slave eth1): link status definitely down, disabling slave [ 3.646804] bond0: (slave eth1): link status definitely down, disabling slave [ 4.158820] bond0: (slave eth1): link status definitely up, 10000 Mbps full duplex [ 4.166809] bond0: (slave eth1): link status definitely up, 10000 Mbps full duplex [ 4.680057] bond0 (unregistering): (slave eth0): Releasing backup interface [ 4.684876] bond0 (unregistering): (slave eth1): Releasing backup interface [ 4.692872] bond0 (unregistering): (slave eth2): Releasing backup interface [ 4.698853] bond0 (unregistering): (slave eth3): Removing an active aggregator [ 4.699013] bond0 (unregistering): (slave eth3): Releasing backup interface [ 4.704813] bond0 (unregistering): Released all slaves [ 4.706771] bond0: (slave eth0): link status definitely down, disabling slave [ 4.706863] bond0: (slave eth1): link status definitely down, disabling slave [ 4.706934] bond0: (slave eth0): link status definitely down, disabling slave [ 4.707011] bond0: (slave eth1): link status definitely down, disabling slave [ 4.707072] bond0: now running without any active interface! [ 4.712788] ------------[ cut here ]------------ [ 4.712892] refcount_t: underflow; use-after-free. [ 4.712982] WARNING: CPU: 2 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0xbc/0x110 [ 4.713084] Modules linked in: [ 4.713146] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(voluntary) [ 4.713251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 4.713335] Workqueue: netns cleanup_net [ 4.713399] RIP: 0010:refcount_warn_saturate+0xbc/0x110 [ 4.713470] Code: a1 e8 88 98 ba ff 90 0f 0b 90 90 c3 80 3d 69 b4 eb 00 00 75 89 c6 05 60 b4 eb 00 01 90 48 c7 c7 98 6e b4 a1 e8 65 98 ba ff 90 <0f> 0b 90 90 c3 80 3d 44 b4 eb 00 00 0f 85 62 ff ff ff c6 05 37 b4 [ 4.713654] RSP: 0000:ffffbdc500067d50 EFLAGS: 00010286 [ 4.713725] RAX: 0000000000000000 RBX: ffffbdc500067d60 RCX: 00000000ffffdfff [ 4.713827] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 4.713928] RBP: ffffbdc500067878 R08: ffffffffa1f56a28 R09: 00000000ffffdfff [ 4.714030] R10: ffffffffa1e76a40 R11: ffffffffa1f26a40 R12: dead000000000122 [ 4.714130] R13: 00000000fffb7e0a R14: 0000000000000001 R15: ffff9f6443e22000 [ 4.714232] FS: 0000000000000000(0000) GS:ffff9f64dc6b7000(0000) knlGS:0000000000000000 [ 4.714337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.714422] CR2: 00007f00d198a000 CR3: 000000001c041005 CR4: 0000000000772ef0 [ 4.714516] PKRU: 55555554 [ 4.714562] Call Trace: [ 4.714610] [ 4.714658] netdev_run_todo+0x21a/0x550 [ 4.714725] ops_undo_list+0x1e3/0x1f0 [ 4.714801] cleanup_net+0x1b7/0x2b0 [ 4.714866] process_one_work+0x162/0x380 [ 4.714934] worker_thread+0x299/0x3c0 [ 4.715000] ? rescuer_thread+0x4c0/0x4c0 [ 4.715062] kthread+0x101/0x1f0 [ 4.715134] ? kthreads_online_cpu+0x110/0x110 [ 4.715210] ? kthreads_online_cpu+0x110/0x110 [ 4.715294] ret_from_fork+0x11c/0x140 [ 4.715363] ? kthreads_online_cpu+0x110/0x110 [ 4.715462] ret_from_fork_asm+0x11/0x20 [ 4.715532] [ 4.715585] ---[ end trace 0000000000000000 ]--- [ 4.716018] bond0: (slave eth1): Releasing backup interface [ 4.723176] bond0: (slave eth0): Releasing backup interface [ 4.730049] bond0: (slave eth1): Releasing backup interface [ 4.741127] bond0: (slave eth0): Releasing backup interface [ 4.768047] bond0 (unregistering): Released all slaves [ 4.768364] bond0 (unregistering): Released all slaves