The start hook is actually a no-op in this case, as it has an upstart job that controls the flannel service. The missing start hook works as expected - flannel is only configured to become part of the system services after the network relationship is joined.
a quick update note re: missing start hook
The start hook is actually a no-op in this case, as it has an upstart job that controls the flannel service. The missing start hook works as expected - flannel is only configured to become part of the system services after the network relationship is joined.
Good catch though!