named: error sending response: not enough free resources

[Wojciech Puchar]

>       - the network/LAN named tries to sent UDP packet is somehow flooded.
>
>       Dns is probably fairly busy. It's the primary authorative dns for some busy domains.
>       Is there a setting I can do to increase the limits of UDP packets to keep it from
>       causing problems?

it would need to sent 50 (i think) udp packets in burst faster than NIC 
can send it. unlikely. i'm 90% sure there is some problem with network.