bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves
------------[ cut here ]------------
WARNING: CPU: 1 PID: 314 at drivers/net/geneve.c:1849 geneve_destroy_tunnels drivers/net/geneve.c:1849 [inline]
WARNING: CPU: 1 PID: 314 at drivers/net/geneve.c:1849 geneve_exit_batch_net+0x512/0x5f0 drivers/net/geneve.c:1859
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 314 Comm: kworker/u4:4 Not tainted 5.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:geneve_destroy_tunnels drivers/net/geneve.c:1849 [inline]
RIP: 0010:geneve_exit_batch_net+0x512/0x5f0 drivers/net/geneve.c:1859
Code: fc 48 c7 c2 a0 35 80 88 be 2d 00 00 00 48 c7 c7 00 39 80 88 c6 05 a5 13 b6 05 01 e8 1e e6 ad fc e9 7d fc ff ff e8 2e 1a c7 fc <0f> 0b e9 99 fe ff ff 48 8d 44 24 40 48 89 04 24 e9 c1 fe ff ff e8
RSP: 0018:ffffc90001ed7b98 EFLAGS: 00010293
RAX: ffff8880a8608140 RBX: dffffc0000000000 RCX: ffffffff860d130e
RDX: 0000000000000000 RSI: ffffffff84aaf862 RDI: ffff88805c782070
RBP: ffff888065f52100 R08: ffff8880a8608140 R09: fffffbfff1469c55
R10: fffffbfff1469c54 R11: ffffffff8a34e2a7 R12: ffff8880a30bb3d0
R13: ffff8880a30bb3c0 R14: ffff8880a30bb3c0 R15: ffff888065f521f0
 ops_exit_list.isra.0+0x103/0x150 net/core/net_namespace.c:175
 cleanup_net+0x511/0xa50 net/core/net_namespace.c:589
 process_one_work+0x94b/0x1690 kernel/workqueue.c:2264
 worker_thread+0x96/0xe20 kernel/workqueue.c:2410
 kthread+0x357/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..