mbufs BEFORE: 40007/146632 mbufs in use (current/max):
mcopym fails BEFORE: ?
mbufs BEFORE run2: 41032/146632 mbufs in use (current/max):
UNLOADED
RUN2_OK
mbufs AFTER run2: 42057/146632 mbufs in use (current/max):
btssend: so_pru_send -> 12 (ENOMEM - m_copym failed)