Description of problem:
blivet regression testing hit the error, please have a look.

Version-Release number of selected component (if applicable):
python-blivet-3.4.0-13.el9.x86_64
RHEL-9.1.0-20220518.1 BaseOS x86_64

How reproducible:

Steps to Reproduce:
1. blivet upstream check
2.
3.

Actual results:
hit some errors

Expected results:
no errors

Additional info:

======================================================================
ERROR: test_resize (formats_test.fs_test.XFSTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/root/rpmbuild/BUILD/blivet-3.4.0/tests/formats_test/fs_test.py", line 106, in test_resize
self.assertIsNone(an_fs.create())
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/threads.py", line 53, in run_with_lock
return m(*args, **kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/formats/_init_.py", line 516, in create
self._pre_create(**kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/threads.py", line 53, in run_with_lock
return m(*args, **kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/formats/fs.py", line 401, in _pre_create
super(FS, self)._pre_create(**kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/threads.py", line 53, in run_with_lock
return m(*args, **kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/formats/_init_.py", line 528, in _pre_create
raise FormatCreateError("invalid device specification", self.device)
blivet.errors.FormatCreateError: ('invalid device specification', '/dev/loop0p1')

======================================================================
ERROR: test_resize (formats_test.lvmpv_test.LVMPVTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib64/python3.9/site-packages/gi/overrides/BlockDev.py", line 1075, in wrapped
ret = orig_obj(*args, **kwargs)
File "/usr/lib64/python3.9/site-packages/gi/overrides/BlockDev.py", line 499, in lvm_pvcreate
return _lvm_pvcreate(device, data_alignment, metadata_size, extra)
gi.repository.GLib.GError: g-dbus-error-quark: Waiting for 'PvCreate' method of the '/com/redhat/lvmdbus1/Manager' object to finish failed: Failed to get Complete property of the / object: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist
(19)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/root/rpmbuild/BUILD/blivet-3.4.0/tests/formats_test/lvmpv_test.py", line 32, in test_resize
self.fmt.create()
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/threads.py", line 53, in run_with_lock
return m(*args, **kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/formats/_init_.py", line 517, in create
self._create(**kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/threads.py", line 53, in run_with_lock
return m(*args, **kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/formats/lvmpv.py", line 150, in _create
blockdev.lvm.pvcreate(self.device, data_alignment=self.data_alignment, extra=[ea_yes])
File "/usr/lib64/python3.9/site-packages/gi/overrides/BlockDev.py", line 1101, in wrapped
raise transform[1](msg)
gi.overrides.BlockDev.LVMError: Waiting for 'PvCreate' method of the '/com/redhat/lvmdbus1/Manager' object to finish failed: Failed to get Complete property of the / object: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

======================================================================
ERROR: test_size (formats_test.lvmpv_test.LVMPVTestCase)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/usr/lib64/python3.9/site-packages/gi/overrides/BlockDev.py", line 1075, in wrapped
ret = orig_obj(*args, **kwargs)
File "/usr/lib64/python3.9/site-packages/gi/overrides/BlockDev.py", line 499, in lvm_pvcreate
return _lvm_pvcreate(device, data_alignment, metadata_size, extra)
gi.repository.GLib.GError: g-dbus-error-quark: Waiting for 'PvCreate' method of the '/com/redhat/lvmdbus1/Manager' object to finish failed: Failed to get Complete property of the / object: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist
(19)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/root/rpmbuild/BUILD/blivet-3.4.0/tests/formats_test/lvmpv_test.py", line 18, in test_size
self.fmt.create()
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/threads.py", line 53, in run_with_lock
return m(*args, **kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/formats/_init_.py", line 517, in create
self._create(**kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/threads.py", line 53, in run_with_lock
return m(*args, **kwargs)
File "/root/rpmbuild/BUILD/blivet-3.4.0/blivet/formats/lvmpv.py", line 150, in _create
blockdev.lvm.pvcreate(self.device, data_alignment=self.data_alignment, extra=[ea_yes])
File "/usr/lib64/python3.9/site-packages/gi/overrides/BlockDev.py", line 1101, in wrapped
raise transform[1](msg)
gi.overrides.BlockDev.LVMError: Waiting for 'PvCreate' method of the '/com/redhat/lvmdbus1/Manager' object to finish failed: Failed to get Complete property of the / object: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist