Since 2018-08-17, we've seen failures of the following in lakitu-gpu-release, lakitu-release, and lakitu-st-release:
https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8937861901207879344

In which cloud_CloudConfigDocker and cloud_KonletStartup fail with a timeout:
results-02-cloud_CloudConfigDocker                                                                                  [  FAILED  ]
results-02-cloud_CloudConfigDocker                                                                                    ERROR: Timed out (100 secs) while waiting for container 'mycloudservice' to be up.
results-02-cloud_CloudConfigDocker/cloud_CloudConfigDocker.docker_credential_gcr                                    [  FAILED  ]
results-02-cloud_CloudConfigDocker/cloud_CloudConfigDocker.docker_credential_gcr                                      ERROR: Unexpected state: 'ActiveState=activating
results-02-cloud_CloudConfigDocker/cloud_CloudConfigDocker.docker_credential_gcr                                      08/21 06:13:39.448 ERROR|             utils:2767| Timed out waiting for condition: Wait for a socket file to exist
results-02-cloud_CloudConfigDocker/cloud_CloudConfigDocker.docker_credential_gcr                                      08/21 06:14:09.499 ERROR|             utils:0286| [stderr] ssh: connect to host 192.168.0.2 port 22: Connection timed out
results-02-cloud_CloudConfigDocker/cloud_CloudConfigDocker.dockercfg                                                [  FAILED  ]
results-02-cloud_CloudConfigDocker/cloud_CloudConfigDocker.dockercfg                                                  ERROR: Timed out (100 secs) while waiting for container 'mycloudservice' to be up.
results-02-cloud_CloudConfigDocker/cloud_CloudConfigDocker.dockercfg                                                  08/21 06:07:07.654 ERROR|             utils:2767| Timed out waiting for condition: Wait for a socket file to exist
results-02-cloud_CloudConfigDocker/cloud_CloudConfigDocker.dockercfg                                                  08/21 06:07:37.704 ERROR|             utils:0286| [stderr] ssh: connect to host 192.168.0.2 port 22: Connection timed out
results-03-cloud_OSLogin                                                                                            [  PASSED  ]
results-03-cloud_OSLogin/cloud_OSLogin                                                                              [  PASSED  ]
results-03-cloud_OSLogin/cloud_OSLogin/cloud_OSLoginClient                                                          [  PASSED  ]
results-04-cloud_CloudConfigServer                                                                                  [  PASSED  ]
results-04-cloud_CloudConfigServer/cloud_CloudConfigServer                                                          [  PASSED  ]
results-04-cloud_CloudConfigServer/cloud_CloudConfigServer/cloud_CloudConfigClient                                  [  PASSED  ]
results-05-docker_CustomOptions                                                                                     [  PASSED  ]
results-05-docker_CustomOptions/docker_CustomOptions                                                                [  PASSED  ]
results-06-cloud_SpinyConfig                                                                                        [  PASSED  ]
results-06-cloud_SpinyConfig/cloud_SpinyConfig                                                                      [  PASSED  ]
results-07-cloud_KonletStartup                                                                                      [  FAILED  ]
results-07-cloud_KonletStartup                                                                                        ERROR: Timed out (100 secs) while waiting for command to succeed.
results-07-cloud_KonletStartup/cloud_KonletStartup                                                                  [  FAILED  ]
results-07-cloud_KonletStartup/cloud_KonletStartup                                                                    ERROR: Timed out (100 secs) while waiting for command to succeed.
results-07-cloud_KonletStartup/cloud_KonletStartup                                                                    08/21 06:33:51.402 ERROR|             utils:2767| Timed out waiting for condition: Wait for a socket file to exist
results-07-cloud_KonletStartup/cloud_KonletStartup                                                                    08/21 06:34:21.442 ERROR|             utils:0286| [stderr] ssh: connect to host 192.168.0.2 port 22: Connection timed out