Since I have Cage running Waydroid, I’m unable to reboot via ssh without giving my password.
[b0ef@surface2pro:~]$ systemctl reboot -i
==== AUTHENTICATING FOR org.freedesktop.login1.reboot-multiple-sessions ====
Authentication is required to reboot the system while other users are logged in.
Multiple identities can be used for authentication:
Choose identity to authenticate as (1-3):