=== persistent ngctl: mkpeer+name+mkpeer ksocket ===
  Name: p1              Type: pptpgre         ID: 00000011   Num hooks: 2
  Local hook      Peer name       Peer type    Peer ID         Peer hook      
  ----------      ---------       ---------    -------         ---------      
  lower           <unnamed>       ksocket      00000012        inet/raw/gre   
  upper           ngctl1045       socket       00000010        dl1            
ngctl_rc=0

=== connect_test (single C process holding socket open) ===
mkpeer OK
name OK -> tp1047
ksocket lower OK
connect session_0001: Invalid argument (errno=22)
ct_rc=1