device bridge_slave_1 entered promiscuous mode
bond0: Enslaving bond_slave_0 as an active interface with an up link
ODEBUG: assert_init not available (active state 0) object type: timer_list hint:           (null)
bond0: Enslaving bond_slave_1 as an active interface with an up link
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9108 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
Kernel panic - not syncing: panic_on_warn set ...

IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
CPU: 0 PID: 9108 Comm: kworker/0:4 Not tainted 4.14.232-syzkaller #0
team0: Port device team_slave_0 added
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events l2cap_chan_timeout
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
 __warn.cold+0x20/0x44 kernel/panic.c:547
team0: Port device team_slave_1 added
 report_bug+0x208/0x250 lib/bug.c:186
batman_adv: batadv0: Adding interface: batadv_slave_0
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
RSP: 0018:ffff888055a57a48 EFLAGS: 00010086
RAX: 0000000000000061 RBX: 0000000000000005 RCX: 0000000000000000
batman_adv: batadv0: Adding interface: batadv_slave_1
RDX: 0000000000000000 RSI: ffffffff878bbbc0 RDI: ffffed100ab4af3f
RBP: ffffffff878b6e80 R08: 0000000000000061 R09: 0000000000000004
batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
R10: 0000000000000000 R11: ffff888055a48500 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88805777c7f0 R15: 1ffff1100ab4af52
 debug_object_assert_init lib/debugobjects.c:656 [inline]
 debug_object_assert_init+0x1d3/0x2d0 lib/debugobjects.c:627
batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
 debug_timer_assert_init kernel/time/timer.c:708 [inline]
 debug_assert_init kernel/time/timer.c:756 [inline]
 del_timer+0x5d/0xe0 kernel/time/timer.c:1151
IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
 try_to_grab_pending+0x243/0x610 kernel/workqueue.c:1225
IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
 __cancel_work+0x68/0x240 kernel/workqueue.c:3032
 l2cap_clear_timer include/net/bluetooth/l2cap.h:834 [inline]
 l2cap_chan_del+0x4b5/0x950 net/bluetooth/l2cap_core.c:641
 l2cap_chan_close+0x103/0x870 net/bluetooth/l2cap_core.c:757
 l2cap_chan_timeout+0x143/0x2a0 net/bluetooth/l2cap_core.c:430
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Kernel Offset: disabled
Rebooting in 86400 seconds..