ubuntu@b2:~$ busctl |grep systemd
:1.0                                 165 systemd-resolve systemd-resolve  :1.0          systemd-resolved.service  -          -                  
:1.1                                 163 systemd-network systemd-network  :1.1          systemd-networkd.service  -          -                  
:1.18                               2487 systemd         ubuntu           :1.18         user@1000.service         -          -                  
:1.2                                   1 systemd         root             :1.2          init.scope                -          -                  
:1.3                                 198 systemd-logind  root             :1.3          systemd-logind.service    -          -                  
org.freedesktop.DBus                   1 systemd         root             -             init.scope                -          -                  
org.freedesktop.login1               198 systemd-logind  root             :1.3          systemd-logind.service    -          -                  
org.freedesktop.network1             163 systemd-network systemd-network  :1.1          systemd-networkd.service  -          -                  
org.freedesktop.resolve1             165 systemd-resolve systemd-resolve  :1.0          systemd-resolved.service  -          -                  
org.freedesktop.systemd1               1 systemd         root             :1.2          init.scope                -          -