BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 275s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=8/256 refcnt=9
    pending: vmstat_shepherd, cache_reap, defense_work_handler, defense_work_handler, macvlan_process_broadcast, switchdev_deferred_process_work, macvlan_process_broadcast, free_obj_work
workqueue events_long: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: br_fdb_cleanup
workqueue events_freezable: flags=0x4
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: update_balloon_stats_func
workqueue events_power_efficient: flags=0x80
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: neigh_periodic_work, do_cache_clean, check_lifetime
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue dm_bufio_cache: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue ipv6_addrconf: flags=0x40008
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: addrconf_verify_work
workqueue krxrpcd: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: rxrpc_peer_keepalive_worker