libceph: connect [d::]:6789 error -101
libceph: mon0 [d::]:6789 connect error
bond4 (unregistering): Releasing backup interface gtp3
bond4 (unregistering): Destroying bond bond4
------------[ cut here ]------------
kernel BUG at net/core/dev.c:8154!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 13909 Comm: kworker/u4:7 Not tainted 4.19.118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:rollback_registered_many+0x1df/0xc40 net/core/dev.c:8154
Code: c0 0f 85 fe 08 00 00 c6 83 69 05 00 00 01 44 89 fe bf 01 00 00 00 e8 d0 a0 c8 fb 41 80 ff 01 0f 84 49 ff ff ff e8 91 9f c8 fb <0f> 0b e8 8a 9f c8 fb 48 8b 45 00 48 8d 58 90 48 39 c5 48 8d 44 24
RSP: 0018:ffff88821094f780 EFLAGS: 00010293
RAX: ffff88808fb8a0c0 RBX: ffff8880a4be5480 RCX: ffffffff859f0a00
RDX: 0000000000000000 RSI: ffffffff859f0a0f RDI: 0000000000000001
RBP: ffff88821094f8b0 R08: ffff88808fb8a0c0 R09: fffffbfff13004bd
R10: fffffbfff13004bc R11: ffffffff898025e7 R12: ffff8880a4be54f0
R13: ffff88821094f840 R14: dffffc0000000000 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f04b799a000 CR3: 0000000083804000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 rollback_registered+0xf2/0x1c0 net/core/dev.c:8225
 unregister_netdevice_queue net/core/dev.c:9278 [inline]
 unregister_netdevice_queue+0x1d7/0x2b0 net/core/dev.c:9271
 unregister_netdevice include/linux/netdevice.h:2614 [inline]
 bond_release_and_destroy drivers/net/bonding/bond_main.c:2037 [inline]
 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3111 [inline]
 bond_netdev_event+0x810/0xb00 drivers/net/bonding/bond_main.c:3225
 notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
 call_netdevice_notifiers net/core/dev.c:1766 [inline]
 rollback_registered_many+0x7bc/0xc40 net/core/dev.c:8183
 unregister_netdevice_many.part.0+0x16/0x1e0 net/core/dev.c:9297
 unregister_netdevice_many net/core/dev.c:9296 [inline]
 default_device_exit_batch+0x2ff/0x3c0 net/core/dev.c:9768
 ops_exit_list.isra.0+0xef/0x140 net/core/net_namespace.c:156
 cleanup_net+0x3bf/0x850 net/core/net_namespace.c:553
 process_one_work+0x91f/0x1640 kernel/workqueue.c:2155
 worker_thread+0x96/0xe20 kernel/workqueue.c:2298
 kthread+0x34a/0x420 kernel/kthread.c:246
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
---[ end trace b4482d2b97ca5a94 ]---
RIP: 0010:rollback_registered_many+0x1df/0xc40 net/core/dev.c:8154
Code: c0 0f 85 fe 08 00 00 c6 83 69 05 00 00 01 44 89 fe bf 01 00 00 00 e8 d0 a0 c8 fb 41 80 ff 01 0f 84 49 ff ff ff e8 91 9f c8 fb <0f> 0b e8 8a 9f c8 fb 48 8b 45 00 48 8d 58 90 48 39 c5 48 8d 44 24
RSP: 0018:ffff88821094f780 EFLAGS: 00010293
RAX: ffff88808fb8a0c0 RBX: ffff8880a4be5480 RCX: ffffffff859f0a00
RDX: 0000000000000000 RSI: ffffffff859f0a0f RDI: 0000000000000001
RBP: ffff88821094f8b0 R08: ffff88808fb8a0c0 R09: fffffbfff13004bd
R10: fffffbfff13004bc R11: ffffffff898025e7 R12: ffff8880a4be54f0
R13: ffff88821094f840 R14: dffffc0000000000 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c432afb000 CR3: 0000000083804000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600