# netstat -m
4294821795 mbufs in use
4294942893/25600 mbuf clusters in use (current/max)
0/3/6656 sfbufs in use (current/peak/max)
4109122 KBytes allocated to network
0 requests for sfbufs denied
0 requests for sfbufs delayed
0 requests for I/O initiated by sendfile
139 calls to protocol drain routines