System is unable to boot, dependency failed for /sysroot/usr

Issue

• The boot process is interrupted as dracut is able to find and mount the root LV, but is unable to find/mount /usr:

[..]
[  OK  ] Started Show Plymouth Boot Screen.
[  OK  ] Reached target Paths.
[  OK  ] Reached target Basic System.
[  OK  ] Found device /dev/mapper/vg_root-lv_root.
         Starting File System Check on /dev/mapper/vg_root-lv_root...
[  OK  ] Started File System Check on /dev/mapper/vg_root-lv_root.
[  OK  ] Started dracut initqueue hook.
         Mounting /sysroot...
[  OK  ] Reached target Remote File Systems (Pre).
[  OK  ] Reached target Remote File Systems.
[  OK  ] Mounted /sysroot.
[  OK  ] Reached target Initrd Root File System.
         Starting Reload Configuration from the Real Root...
[  OK  ] Started Reload Configuration from the Real Root.
[ TIME ] Timed out waiting for device dev-di...2d3jv7\x2dGvZ7\x2dzd1CYX.device.   <<<---
[DEPEND] Dependency failed for /sysroot/usr.                                      <<<---
[DEPEND] Dependency failed for Initrd File Systems.
[  OK  ] Stopped target Basic System.
[  OK  ] Stopped dracut initqueue hook.
         Stopping dracut initqueue hook...
         Starting Cleaning Up and Shutting Down Daemons...
[  OK  ] Stopped dracut pre-udev hook.
         Stopping dracut pre-udev hook...
[  OK  ] Stopped dracut cmdline hook.
         Stopping dracut cmdline hook...
[  OK  ] Stopped target System Initialization.
[..]