openflow: Trigger on connection table
openflow: Trigger on connection table

This way, the openflow will be updated as soon as connections are
changed, rather than at the next tick of the trigger.

kelda/kelda,quilt/quilt,NetSys/quilt,NetSys/quilt,NetSys/quilt,quilt/quilt,quilt/quilt,kelda/kelda,quilt/quilt,kelda/kelda,kelda/kelda,NetSys/quilt,NetSys/quilt