search for: nonblock_connect

...at 4am). There also seemed to be some latency when connecting which I chalked up to it being a virtual machine. When I checked my logs, I found thousands of : Nov 17 04:07:52 nomad kernel: Neighbour table overflow. and applications reporting errors such as: Nov 17 04:08:05 nomad freshclam[4085]: nonblock_connect: connect(): fd=5 errno=105: No buffer space available I am running a routed (not bridged) configuration. What I figured out is that each Centos 5.4 domU is maintaining an ARP table. That table is filling up which causes the network to be unreachable until entries are purged from the cache. Sin...