[Virt] Add SSH retry to run_ssh_commands calls - #5989

pytest-check-s390x: OK ✔ in 3 minutes 49.9 seconds
pytest-check-arm64: OK ✔ in 3 minutes 56.61 seconds
utilities-unittests: OK ✔ in 3 minutes 58.45 seconds
pytest-check-multiarch: OK ✔ in 4 minutes 19.44 seconds
unused-code: OK ✔ in 6 minutes 6.57 seconds
  pytest-check-x86: OK (773.64=setup[29.80]+cmd[205.36,17.62,8.52,7.74,9.72,13.99,15.15,8.28,418.68,38.75] seconds)
  pytest-check-arm64: OK (236.61=setup[31.15]+cmd[205.46] seconds)
  pytest-check-s390x: OK (229.90=setup[28.76]+cmd[201.14] seconds)
  pytest-check-multiarch: OK (259.44=setup[27.02]+cmd[206.44,17.33,8.64] seconds)
  unused-code: OK (366.57=setup[326.17]+cmd[40.41] seconds)
  utilities-unittests: OK (238.45=setup[22.87]+cmd[215.51,0.07] seconds)
  congratulations :) (773.68 seconds)