Freebsd with good uptime suddenly crashing

I don't see what's wrong. Good uptime then this morning it would crash ever hour or so. Load is good =/ Any ideas?

last pid: 837; load averages: 0.53, 1.46, 1.41 up 0+00:33:23 12:05:32
554 processes: 2 running, 552 sleeping
CPU states: 1.6% user, 0.0% nice, 10.0% system, 2.4% interrupt, 86.0% idle
Mem: 409M Active, 437M Inact, 202M Wired, 290M Cache, 57M Buf, 674M Free
Swap: 2048M Total, 2048M Free

sysctl kern.maxfiles kern.maxfiles: 65536
sysctl kern.maxfilesperproc kern.maxfilesperproc: 32768
sysctl kern.ipc.nmbclusters kern.ipc.nmbclusters: 65535
sysctl kern.ipc.somaxconn kern.ipc.somaxconn: 8192

netstat -m
38499/41072/262140 mbufs in use (current/peak/max):
38402 mbufs allocated to data
97 mbufs allocated to packet headers
38176/40690/65535 mbuf clusters in use (current/peak/max)
91648 Kbytes allocated to network (3% of mb_map in use)
0 requests for memory denied
0 requests for memory delayed
0 calls to protocol drain routines

df -k
Filesystem 1K-blocks Used Avail Capacity Mounted on
/dev/da0s1a 33217058 21578848 8980846 71% /
procfs 4 4 0 100% /proc

 

 

 

 

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