jenkinsci/swarm-plugin — pull request #1 by onyx (2012-02-09 23:04:16+00:00)
Title: Adding broadcast payload to avoid UDP checksum errors 

Changing broadcast to send a UDP packet payload of 128 bytes instead of 0. The minimum frame size for a valid ethernet packet is 64 bytes which requires a payload of at least 18 bytes. More documentation here: http://communities.vmware.com/thread/336045