syslogd: cannot create /var/run/log: No buffer space available

Hi guys
I have very bad problem!
my syslogd crashes on my newly installed FreeBSD-6.1 router
look:

================================================================
router# tail /var/log/messages
May 22 07:09:50 router last message repeated 3 times
May 22 08:41:46 router kernel: rl1: promiscuous mode enabled
May 22 08:42:29 router kernel: rl1: promiscuous mode disabled
May 22 08:44:00 router kernel: rl1: promiscuous mode enabled
May 22 08:44:28 router kernel: rl1: promiscuous mode disabled
May 22 09:03:20 router kernel: rl1: promiscuous mode enabled
May 22 09:03:28 router kernel: rl1: promiscuous mode disabled
May 22 09:04:24 router kernel: arplookup 10.5.15.71 failed: host is not on local network
May 22 09:04:25 router kernel: arplookup 10.5.15.71 failed: host is not on local network
May 22 14:28:08 router syslogd: exiting on signal 15
/==============================================================

today is 23rd
and I can't start it again:

===============================================================
router# /etc/rc.d/syslogd start
Starting syslogd.
syslogd: child pid 665 exited with return code 1
router#
/==============================================================

here is the debugging mode:

===============================================================
router# syslogd -d
syslogd: cannot create /var/run/log: No buffer space available
logmsg: pri 53, flags 4, from , msg syslogd: cannot create /var/run/log: No buffer space available
Logging to CONSOLE /dev/console
cannot create /var/run/log (0)
router#
/==============================================================

what does this mean ?

here is my sysctl variables:

===============================================================
router# cat /etc/sysctl.conf
net.inet.ip.fastforwarding=1
kern.ipc.maxsockbuf=520000
kern.ipc.nmbclusters=65536
kern.ipc.nsfbufs=8000
kern.ipc.somaxconn=2048
kern.polling.enable=1
net.inet.tcp.sendspace=131072
net.inet.tcp.recvspace=131072
net.inet.udp.recvspace=42080
net.inet.raw.recvspace=65536
net.inet.raw.maxdgram=57344
net.local.dgram.maxdgram=57344
net.local.stream.recvspace=65536
net.local.stream.sendspace=65536
net.local.dgram.recvspace=655536
net.inet.tcp.inflight.enable=1
net.inet.tcp.inflight.min=8000
net.inet.icmp.icmplim=1024
net.inet.tcp.blackhole=2
net.inet.udp.blackhole=1
router#
/==============================================================

and also:

===============================================================
router# cat /boot/loader.conf
kern.ipc.nsfbufs=10000
router#
/==============================================================

this router serves less then 200 clients

BUT I have bigger problem
since this syslogd crashed all clients experience losses to the router more than 30% and delays from 2ms to 60ms and more...
even with absolutely minimal ipfw+dummynet configuration is still the same:

===============================================================
$IPFW add 1000 pipe 1 ip from ip.network/24 to any out
$IPFW add 1001 pipe 2 ip from any to ip.network/24 in
$IPFW pipe 1 config mask src-ip 0x000000ff bw 1Mbit/s queue 20Kbytes
$IPFW pipe 2 config mask dst-ip 0x000000ff bw 1Mbit/s queue 20Kbytes
/==============================================================

please tell me how can I fix this!
thank you

P.S. this router used to run linux and it was fine, so the problem isn't in the hardware

-----------------------------------------------------------------
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