bond0 (unregistering): Releasing backup interface bond_slave_1
bond0 (unregistering): Releasing backup interface bond_slave_0
bond0 (unregistering): Released all slaves
WARNING: CPU: 0 PID: 100 at net/batman-adv/multicast.c:337 batadv_mcast_mla_tt_retract+0x312/0x520 net/batman-adv/multicast.c:353
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 100 Comm: kworker/u4:3 Not tainted 4.18.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_mcast_mla_update
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x109/0x15a lib/dump_stack.c:113
 panic+0x1c6/0x36b kernel/panic.c:184