According to the bzr history in lp:ubuntu/wily/isc-dhcp, this patch is related to bug #974284:
committer: Stéphane Graber <email address hidden> branch nick: isc-dhcp timestamp: Wed 2012-09-12 17:30:23 -0400 message: Set onetry = 0 early enough to actually work. (LP: #974284)
And Scott, you filed that bug; it seems the current behavior is exactly what you requested?
According to the bzr history in lp:ubuntu/wily/isc-dhcp, this patch is related to bug #974284:
committer: Stéphane Graber <email address hidden>
branch nick: isc-dhcp
timestamp: Wed 2012-09-12 17:30:23 -0400
message:
Set onetry = 0 early enough to actually work. (LP: #974284)
And Scott, you filed that bug; it seems the current behavior is exactly what you requested?