We need to explicitly define authorizations for allow_inactive and
allow_active. Otherwise one is getting "Access denied" when run from a
local console:
$ loginctl enable-linger
Could not enable linger: Access denied
<_message>Explicit request is required to run programs as a non-logged-in user.</_message>
<defaults>
<allow_any>yes</allow_any>
<_message>Explicit request is required to run programs as a non-logged-in user.</_message>
<defaults>
<allow_any>yes</allow_any>
+ <allow_inactive>yes</allow_inactive>
+ <allow_active>yes</allow_active>