Penguin

ICMP DestinationUnreachable code 0x0F

Defined in RFC:1812

Precedence cutoff in effect. The network operators have imposed a minimum level of precedence required for operation, the datagram was sent with a precedence below this level;

Precedence was deprecated ages ago, so I think this message is too.

lib/main.php:944: Notice: PageInfo: Cannot find action page

lib/main.php:839: Notice: PageInfo: Unknown action