It seems that maybe the old apache hadn't completely shutdown when it tried to start it back up again.
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2024-02-07T08:29:34.799158+00:00 app01 systemd[1]: Starting certbot.service - Certbot...
2024-02-07T08:29:38.763764+00:00 app01 systemd[1]: Stopping apache2.service - The Apache HTTP Server...
2024-02-07T08:29:39.100729+00:00 app01 systemd[1]: apache2.service: Deactivated successfully.
2024-02-07T08:29:39.102143+00:00 app01 systemd[1]: Stopped apache2.service - The Apache HTTP Server.
2024-02-07T08:29:39.105203+00:00 app01 systemd[1]: apache2.service: Consumed 31.653s CPU time.
2024-02-07T08:29:46.652015+00:00 app01 systemd[1]: Starting apache2.service - The Apache HTTP Server...
2024-02-07T08:29:46.801414+00:00 app01 apachectl[390170]: httpd (pid 390109) already running
2024-02-07T08:29:47.021026+00:00 app01 systemd[1]: apache2.service: Deactivated successfully.
2024-02-07T08:29:47.022580+00:00 app01 systemd[1]: Started apache2.service - The Apache HTTP Server.
2024-02-07T08:29:47.200575+00:00 app01 systemd[1]: certbot.service: Deactivated successfully.
2024-02-07T08:29:47.201944+00:00 app01 systemd[1]: Finished certbot.service - Certbot.
2024-02-07T08:29:47.203537+00:00 app01 systemd[1]: certbot.service: Consumed 3.925s CPU time.
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