Hi,
As it turns out we have another 0.4.x release :), this is a release
which includes the fix for 1420 bootserver ip lookup fails if not
managing dns [1].
this issue would break foreman new host creation for those who are
managing dhcp but not dns via foreman.
Enjoy,
Ohad
[1] - Bug #1420: bootserver ip lookup fails if not managing dns - Foreman