free-before: 839636
ng7 header size=56 (kernel struct ng_mesg layout)
control socket fd=3
[type=socket   ] sendto ok=0 fail=50000 (50000 iters)
[type=socket   ]   errno 22 (Invalid argument): 50000
free-afterA(loaded,EINVAL,expect-flat): 839220
ng7 header size=56 (kernel struct ng_mesg layout)
control socket fd=3
[type=df3511x  ] sendto ok=0 fail=50000 (50000 iters)
[type=df3511x  ]   errno 6 (Device not configured): 50000
free-afterB(bogus,ENXIO,expect-drop): 830848

=== mbuf.before
14/146632 mbufs in use (current/max):
256/33296 mbuf clusters in use (current/max)
0/8260 mbuf jumbo clusters in use (current/max)
=== mbuf.afterA
12/146632 mbufs in use (current/max):
256/33296 mbuf clusters in use (current/max)
0/8260 mbuf jumbo clusters in use (current/max)
=== mbuf.afterB
50012/146632 mbufs in use (current/max):
256/33296 mbuf clusters in use (current/max)
0/8260 mbuf jumbo clusters in use (current/max)