The following test failed in the JDK17 CI:

containers/docker/TestMisc.java

Here's a snippet from the log file:

========== NEW TEST CASE: Test is_containerized() inside a docker container
[COMMAND]
podman run --tty=true --rm --volume /opt/mach5/mesos/work_dir/slaves/a4f8fba9-f017-4328-b286-c66b6a97143d-S802/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/428d3098-0a09-425f-a369-f421df000ef9/runs/6fa15b33-4623-4f1f-83a3-f88ee17b8f75/testoutput/test-support/jtreg_open_test_hotspot_jtreg_containers/classes/2/containers/docker/TestMisc.d:/test-classes/ jdk-internal:test-misc /jdk/bin/java -Xlog:os+container=trace -cp /test-classes/ -Xbootclasspath/a:/test-classes/whitebox.jar -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:MaxRAMPercentage=8 -Djava.io.tmpdir=/opt/mach5/mesos/work_dir/slaves/a4f8fba9-f017-4328-b286-c66b6a97143d-S802/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/428d3098-0a09-425f-a369-f421df000ef9/runs/6fa15b33-4623-4f1f-83a3-f88ee17b8f75/testoutput/test-support/jtreg_open_test_hotspot_jtreg_containers/tmp -Djdk.test.docker.image.name=jpg-data.us.oracle.com/docker-local/mach5/jdk-test/oraclelinux_8.3_aarch64 -Djdk.test.docker.image.version=1.0 -Djdk.test.container.command=podman CheckContainerized
[2021-05-17T16:45:13.253165819Z] Gathering output for process 1857943
[ELAPSED: 13 ms]
[STDERR]
the path in $XDG_RUNTIME_DIR must be writable by the user
time="2021-05-17T16:45:13Z" level=error msg="mkdir /run/user/10668: permission denied"
time="2021-05-17T16:45:13Z" level=error msg="Error removing container 9b4819bf2218865b565d05bbcaea03b35c1bf2b501816628db8ea8e848fb3d34 from runtime after creation failed"
time="2021-05-17T16:45:13Z" level=error msg="unable to cleanup network for container 9b4819bf2218865b565d05bbcaea03b35c1bf2b501816628db8ea8e848fb3d34: \\"error unmounting network namespace for container 9b4819bf2218865b565d05bbcaea03b35c1bf2b501816628db8ea8e848fb3d34: failed to unmount NS: at /run/user/10668/netns/cni-e3273bd0-027e-bbb2-55bb-417a92e2e705: no such file or directory\\""
the path in $XDG_RUNTIME_DIR must be writable by the user
time="2021-05-17T16:45:13Z" level=error msg="mkdir /run/user/10668: permission denied"
Error: time="2021-05-17T16:45:13Z" level=error msg="mkdir /run/user/10668: permission denied": OCI runtime permission denied error

[STDOUT]

Child process STDOUT is trimmed to 100 lines
Full child process STDOUT was saved to docker-stdout-1857943.log
[2021-05-17T16:45:13.614472117Z] Waiting for completion for process 1857943
[2021-05-17T16:45:13.615174812Z] Waiting for completion finished for process 1857943
[2021-05-17T16:45:13.615374436Z] Waiting for completion for process 1857943
[2021-05-17T16:45:13.615517460Z] Waiting for completion finished for process 1857943
[COMMAND]
podman rmi --force jdk-internal:test-misc
[2021-05-17T16:45:13.665740123Z] Gathering output for process 1858020
[ELAPSED: 4 ms]
[STDERR]

[STDOUT]
55725d27b662ead07f230b4eec23e909ec7902cd97e6de4eaa4f146f1aaf0956
d5dfea18de8aae110e365f91433bdb179da0a6ccd654f32b2ae3d3b39c6f5c07
Untagged: localhost/jdk-internal:test-misc
Deleted: ea3ca36ac83e13324f1e4c20203a71ce3fd6f875e075c8a7b4c459f4084ba8a4

Child process STDOUT is trimmed to 100 lines
Full child process STDOUT was saved to docker-stdout-1858020.log
----------System.err:(27/1933)*----------
 stdout: [];
 stderr: [the path in $XDG_RUNTIME_DIR must be writable by the user
time="2021-05-17T16:45:13Z" level=error msg="mkdir /run/user/10668: permission denied"
time="2021-05-17T16:45:13Z" level=error msg="Error removing container 9b4819bf2218865b565d05bbcaea03b35c1bf2b501816628db8ea8e848fb3d34 from runtime after creation failed"
time="2021-05-17T16:45:13Z" level=error msg="unable to cleanup network for container 9b4819bf2218865b565d05bbcaea03b35c1bf2b501816628db8ea8e848fb3d34: \\"error unmounting network namespace for container 9b4819bf2218865b565d05bbcaea03b35c1bf2b501816628db8ea8e848fb3d34: failed to unmount NS: at /run/user/10668/netns/cni-e3273bd0-027e-bbb2-55bb-417a92e2e705: no such file or directory\\""
the path in $XDG_RUNTIME_DIR must be writable by the user
time="2021-05-17T16:45:13Z" level=error msg="mkdir /run/user/10668: permission denied"
Error: time="2021-05-17T16:45:13Z" level=error msg="mkdir /run/user/10668: permission denied": OCI runtime permission denied error
]
 exitValue = 126

java.lang.RuntimeException: Expected to get exit value of [0]

at jdk.test.lib.process.OutputAnalyzer.shouldHaveExitValue(OutputAnalyzer.java:474)
at jdk.test.lib.containers.docker.Common.run(Common.java:81)
at TestMisc.testIsContainerized(TestMisc.java:81)
at TestMisc.main(TestMisc.java:57)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:298)
at java.base/java.lang.Thread.run(Thread.java:831)

JavaTest Message: Test threw exception: java.lang.RuntimeException
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.RuntimeException: Expected to get exit value of [0]