private void Unplug(PIF p) { if (!p.currently_attached) { // We will try and unplug the PIF even if it seems to be already unplugged (CA-75969) log.DebugFormat("Unplugging PIF '{0}': this PIF is not currently attached. Will try to unplug anyway", p.uuid); } PIF.unplug(Session, p.opaque_ref); }