Update log filtering
Update log filtering

Many of these rules have long been defunct since the move to the new IP
space since there are no longer any other computer on the external LAN.

The rule blocking DHCP does not block dhcpd traffic as it uses bpf. It
simply filters those packets from the logs.

tdorianh/cv_config,tdorianh/cv_config,collegiumv/cv_config_bleeding,collegiumv/cv_config_bleeding,the-maldridge/cv_config,dinoocch/cv_config,phy1729/cv_config,dinoocch/cv_config,the-maldridge/cv_config,m-wynn/cv_config,phy1729/cv_config,phy1729/cv_config,collegiumv/cv_config,m-wynn/cv_config,collegiumv/cv_config,collegiumv/cv_config_bleeding