BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 41s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
    pending: dst_gc_task
workqueue events_power_efficient: flags=0x80
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256
    pending: check_lifetime, neigh_periodic_work
workqueue kblockd: flags=0x18
  pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=2/256
    pending: blk_mq_requeue_work, blk_mq_timeout_work