Use Ubuntu builder as it looks like the rhel8 kokkos builder is broken

41 jobs for !2209 with add-kokkos-backend in 58 minutes and 17 seconds (queued for 4 seconds)
merge request
Name Stage Failure
test:centos7_gcc48 Test The script exceeded the maximum execution time set for the job
241:           42           43
241: 42 56
241: 56 67
241: 56 92
241: 62 67
241: 81 92
241: 92 93
241: Testing ContourTree_Augmented 3D Mesh Marching Cubes. computeRegularStructure=1
ERROR: Job failed: execution took longer than 50m0s seconds
test:ubuntu1804_kokkos Test There has been a runner system failure, please try again
Skipping Git submodules setup
Restoring cache
Downloading artifacts
Downloading artifacts for build:ubuntu1804_kokkos (5134477)...
Downloading artifacts from coordinator... ok
id=5134477 responseStatus=200 OK token=phucpVZG
Running before_script and script
Running after_script
Uploading artifacts for failed job
ERROR: Job failed (system failure): Error response from daemon: OCI runtime create failed: container_linux.go:349: starting container process caused "process_linux.go:449: container init caused \"process_linux.go:432: running prestart hook 1 caused \\\"error running hook: exit status 1, stdout: , stderr: nvidia-container-cli: requirement error: unsatisfied condition: cuda>=11.0, please update your driver to a newer version, or use an earlier cuda container\\\\n\\\"\"": unknown (docker.go:879:0s)
test:rhel8_test_centos7 Test
239: 2020-08-13 20:02:52.432 (   0.001s) [main thread     ]             loguru.cpp:471   Info| atexit
229/303 Test #239: UnitTestContourFilterNormalsCUDA ..................***Failed 0.02 sec
Start 239: UnitTestContourFilterNormalsCUDA

239: Test command: /builds/gitlab-kitware-sciviz-ci/build/bin/UnitTests_vtkm_filter_testing "UnitTestContourFilterNormals" "--device=cuda" "-v" "INFO" "--data-dir=/builds/gitlab-kitware-sciviz-ci/data/data" "--baseline-dir=/builds/gitlab-kitware-sciviz-ci/data/baseline"
239: Test timeout computed to be: 1500
240: date time ( uptime ) [ thread name/id ]
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit code 1