Before applying Carlo's patch but with update-apt-xapian-index-dbus corrected according to Bug #1579834 this is what I get from 'systemctl status dbus':
dbus[958]: [system] Rejected send message, 3 matched rules; type="method_return", sender=":1.66" (uid=0 pid=2152 comm="/usr/bin/python3 /usr/share/apt-xapian-index/updat") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.254" (uid=1001 pid=29622 comm="/usr/bin/systemsettings5 ")
Before applying Carlo's patch but with update- apt-xapian- index-dbus corrected according to Bug #1579834 this is what I get from 'systemctl status dbus':
dbus[958]: [system] Rejected send message, 3 matched rules; type="method_ return" , sender=":1.66" (uid=0 pid=2152 comm="/ usr/bin/ python3 /usr/share/ apt-xapian- index/updat" ) interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination= ":1.254" (uid=1001 pid=29622 comm="/ usr/bin/ systemsettings5 ")