dfuzzer doesn't seem to traverse objects passed directly correctly

[evverx]

It's just another issue uncovered by systemd/systemd#23445

# dfuzzer -v -n org.freedesktop.portable1 -o /org/freedesktop/portable1/image/t1
Cannot open suppression file './dfuzzer.conf'
Cannot open suppression file '/root/.dfuzzer.conf'
Loading suppressions from file '/etc/dfuzzer.conf'
[SESSION BUS]
Error while activating 'org.freedesktop.portable1': The name is not activatable.
Error while calling method 'GetConnectionUnixProcessID': The connection does not exist.
Couldn't get the PID of the tested process
[SYSTEM BUS]
[PROCESS: /usr/lib/systemd/systemd-portabled]
[CONNECTED TO PID: 392]
Object: /org/freedesktop/portable1/image/t1
Error while calling method 'Introspect': Expected image name, not path in place of ''..
Error: Unknown object path '/org/freedesktop/portable1/image/t1'.
Exit status: 1

# busctl introspect org.freedesktop.portable1 /org/freedesktop/portable1/image/t1 --no-pager
NAME                                TYPE      SIGNATURE RESULT/VALUE         FLAGS
org.freedesktop.DBus.Introspectable interface -         -                    -
.Introspect                         method    -         s                    -
org.freedesktop.DBus.Peer           interface -         -                    -
.GetMachineId                       method    -         s                    -
.Ping                               method    -         -                    -