$ ./kshold &
mkpeer+name sent, holding 600s (pid 1068)
  Name: ks0  Type: ksocket  ID: 0000003d  Num hooks: 1
$ ./ksflood 100
bind resp -1 (Resource temporarily unavailable)     # no auto-error response
SPOOF-UPCALL: no response (Resource temporarily unavailable)
hammer done: 4540418 upcall sends over 100 shutdown cycles; no panic
EXIT=0
# every sendmsg targeted the live hook of ks0: the INTERNAL_UPCALL command has
# no origin check (ng_ksocket.c:848-854) and was processed 4.5M times out-of-band