This ensures that e.g. ike/child-updown messages are sent that were queued but couldn't be sent (even the job to enable to on_write() callback requires a worker thread that's not around anymore during shutdown). References #3602.
This ensures that e.g. ike/child-updown messages are sent that were queued but couldn't be sent (even the job to enable to on_write() callback requires a worker thread that's not around anymore during shutdown). References #3602.