RHEL7 systems with FIPS enabled producing "modprobe: ERROR: could not insert ..." / "modprobe: FATAL: Module ... not found" messages

Issue

• After enabling FIPS, the following ERROR messages are printed during boot and seen in the journal

  dracut-pre-trigger[252]: modprobe: ERROR: could not insert 'camellia_aesni_avx_x86_64': No such device
  dracut-pre-trigger[252]: modprobe: ERROR: could not insert 'camellia_aesni_avx2': No such device
  dracut-pre-trigger[252]: modprobe: ERROR: could not insert 'cast6_avx_x86_64': No such device
  dracut-pre-trigger[252]: modprobe: ERROR: could not insert 'serpent_avx_x86_64': No such device
  dracut-pre-trigger[252]: modprobe: ERROR: could not insert 'serpent_avx2': No such device
  dracut-pre-trigger[252]: modprobe: ERROR: could not insert 'twofish_avx_x86_64': No such device
  

• After enabling FIPS, the following FATAL messages are printed during boot and seen in the journal

  dracut-pre-trigger[252]: modprobe: FATAL: Module sha1 not found.
  dracut-pre-trigger[252]: modprobe: FATAL: Module sha256 not found.