BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 47s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 66s!
BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 69s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256
    pending: check_corruption, cache_reap
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256
    pending: vmstat_shepherd, cache_reap
workqueue events_long: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256
    pending: br_fdb_cleanup, br_fdb_cleanup
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512
    in-flight: 77:call_usermodehelper_exec_work, 14666:call_usermodehelper_exec_work
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
    in-flight: 14309:neigh_periodic_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256
    pending: neigh_periodic_work, do_cache_clean
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256
    pending: vmstat_update
workqueue netns: flags=0xe000a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1
    in-flight: 3529:cleanup_net
workqueue writeback: flags=0x4e
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256
    pending: wb_workfn
workqueue krdsd: flags=0xe000a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1
    pending: rds_connect_worker
    delayed: rds_connect_worker, rds_connect_worker, rds_connect_worker
pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=14 idle: 715 54 722 3525 21 11173 14653 7068 10999 26427