A note as well, a 2nd reboot of these Hirsute "broken" images will end up properly activating google-guest-agent across that reboot. So, for some reason the unit appears installed and enabled but not running.
# after reboot $ systemctl status google-guest-agent.service ● google-guest-agent.service - Google Compute Engine Guest Agent Loaded: loaded (/lib/systemd/system/google-guest-agent.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2021-08-06 20:35:26 UTC; 17min ago Main PID: 626 (google_guest_ag) Tasks: 9 (limit: 8924) Memory: 20.1M CGroup: /system.slice/google-guest-agent.service └─626 /usr/bin/google_guest_agent Aug 06 20:35:26 SRU-worked-gce GCEGuestAgent[626]: 2021-08-06T20:35:26.9717Z GCEGuestAgent Info: Created google sudoers file Aug 06 20:35:26 SRU-worked-gce GCEGuestAgent[626]: 2021-08-06T20:35:26.9720Z GCEGuestAgent Info: Creating user powersj. Aug 06 20:35:27 SRU-worked-gce GCEGuestAgent[626]: 2021-08-06T20:35:27.3118Z GCEGuestAgent Info: Updating keys for user powersj. Aug 06 20:35:27 SRU-worked-gce GCEGuestAgent[626]: 2021-08-06T20:35:27.3121Z GCEGuestAgent Info: Creating user csmith. Aug 06 20:35:27 SRU-worked-gce gpasswd[946]: user csmith added by root to group lxd Aug 06 20:35:27 SRU-worked-gce gpasswd[953]: user csmith added by root to group google-sudoers Aug 06 20:35:27 SRU-worked-gce GCEGuestAgent[626]: 2021-08-06T20:35:27.5706Z GCEGuestAgent Info: Updating keys for user csmith. Aug 06 20:35:27 SRU-worked-gce GCEGuestAgent[626]: 2021-08-06T20:35:27.5709Z GCEGuestAgent Info: Adding existing user ubuntu to google-sudoers group. Aug 06 20:35:27 SRU-worked-gce gpasswd[959]: user ubuntu added by root to group google-sudoers Aug 06 20:35:27 SRU-worked-gce GCEGuestAgent[626]: 2021-08-06T20:35:27.5859Z GCEGuestAgent Info: Updating keys for user ubuntu. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1938299 Title: Unable to SSH Into Instance when deploying Impish 21.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1938299/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs