This is still broken for me in Trusty 14.04.5
Interestingly it only appears broken on servers with a storage
controller AND disks on the motherboard scsi host (sata or sas). That
may or may not be pertinent/related, but I've so far been unable to get
it to break in the same way on hosts with a bun
I can confirm this behavior on my systems.
from syslog (identifying information removed):
Mar 23 19:10:41 HOSTNAME dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port
67 interval 3 (xid=0x3e38a8c2)
Mar 23 19:10:44 HOSTNAME dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port
67 interval 8 (
