Kernel boots to maintenance mode with the error: "Timed out waiting for device. device Dependency failed for /boot."

Issue

• When system boots using any kernel, it boots to maintenance mode with the error:

  Timedout waiting for device dev-disk-by\x2duuid-1c......device
  Dependency failed for /boot.
  [...]

• Dependency failed for other partitions, but not for Root (/) partition.

Jun 28 18:09:19 localhost systemd[1]: Job dev-disk-by\x2duuid-1c6b9dce\x2db332\x2d45ee\x2daf12\x2d8075f7d3ff6a.device/start timed out.
Jun 28 18:09:19 localhost systemd[1]: Timed out waiting for device dev-disk-by\x2duuid-1c6b9dce\x2db332\x2d45ee\x2daf12\x2d8075f7d3ff6a.device.
-- Subject: Unit dev-disk-by\x2duuid-1c6b9dce\x2db332\x2d45ee\x2daf12\x2d8075f7d3ff6a.device has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dev-disk-by\x2duuid-1c6b9dce\x2db332\x2d45ee\x2daf12\x2d8075f7d3ff6a.device has failed.
--
-- The result is timeout.