@kp: please test
Detatch you node from the interface (i.e.) em0 , then
```
# ngctl
+ show em0:
ngctl: send msg: No such file or directory
+ mkpeer . ether any em0
+ show em0:
Name: em0 Type: ether ID: 00000001 Num hooks: 1
Local hook Peer name Peer type Peer ID Peer hook
---------- --------- --------- ------- ---------
em0 <unnamed> socket 00000002 any
+ rmhook em0:em0
+ show em0:
Name: em0 Type: ether ID: 00000001 Num hooks: 0
```