This bug was fixed in the package knockd - 0.7-1ubuntu4
--------------- knockd (0.7-1ubuntu4) hirsute; urgency=medium
* d/knockd.service: - use Wants=network-online.target (LP: #1912826)
-- Dan Streetman <email address hidden> Mon, 25 Jan 2021 16:12:41 -0500
This bug was fixed in the package knockd - 0.7-1ubuntu4
---------------
knockd (0.7-1ubuntu4) hirsute; urgency=medium
* d/knockd.service: online. target (LP: #1912826)
- use Wants=network-
-- Dan Streetman <email address hidden> Mon, 25 Jan 2021 16:12:41 -0500