WIP: [Storage] STD: concurrent 20 VM boot with five disks per VM - #5953

pytest-check-arm64: OK ✔ in 1 minute 0.67 seconds
pytest-check-s390x: OK ✔ in 1 minute 2.36 seconds
utilities-unittests: OK ✔ in 1 minute 12.03 seconds
pytest-check-multiarch: OK ✔ in 1 minute 24.55 seconds
unused-code: OK ✔ in 2 minutes 29.64 seconds
  pytest-check-x86: OK (437.14=setup[12.71]+cmd[48.97,13.90,9.74,8.56,6.52,7.69,6.89,17.97,209.72,94.46] seconds)
  pytest-check-arm64: OK (60.67=setup[10.10]+cmd[50.57] seconds)
  pytest-check-s390x: OK (62.36=setup[12.39]+cmd[49.97] seconds)
  pytest-check-multiarch: OK (84.55=setup[11.17]+cmd[49.70,15.47,8.21] seconds)
  unused-code: OK (149.64=setup[113.49]+cmd[36.15] seconds)
  utilities-unittests: OK (72.03=setup[12.39]+cmd[59.44,0.20] seconds)
  congratulations :) (437.33 seconds)