flood: sent 100 spans
flood: sent 100 span deletes, exiting
--- devices during flood:
      10
--- after span deletes + peer exit:
      10
flood: sent 100 spans
flood: sent 100 span deletes, exiting
--- unload:
kldunload: can't unload file: Device busy
rc=1
Networked_disk_client   6.35K   1.45M       0    390M    7.14K