PF_BRIDGE: RTM_NEWNEIGH with invalid address
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 43s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 41s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256
    pending: defense_work_handler, defense_work_handler, defense_work_handler
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
    in-flight: 25:xfrm_state_gc_task
workqueue kblockd: flags=0x18
  pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256
    pending: blk_mq_requeue_work
workqueue vmstat: flags=0xc
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
    pending: vmstat_update
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=4 idle: 3872 4334 4