sig-api-machinery test unable to upgrade connection: container not found ("nginx")

[John George]

May 22 17:03:47.929: INFO: Waiting 10s to retry failed RunHostCmd: error running &{/snap/bin/kubectl [kubectl --server=https://10.5.0.11:6443 --kubeconfig=/home/ubuntu/.kube/config exec --namespace=s
tatefulset-3459 ss-0 -- /bin/sh -x -c mv -v /tmp/index.html /usr/share/nginx/html/ || true] [] <nil> error: unable to upgrade connection: container not found ("nginx")
 [] <nil> 0xc0011eb8c0 exit status 1 <nil> <nil> true [0xc002b310b0 0xc002b310c8 0xc002b310e0] [0xc002b310b0 0xc002b310c8 0xc002b310e0] [0xc002b310c0 0xc002b310d8] [0x9bf9f0 0x9bf9f0] 0xc002712840 <n
il>}:
Command stdout:

stderr:
error: unable to upgrade connection: container not found ("nginx")

error:
exit status 1

May 22 17:03:57.930: INFO: Running '/snap/bin/kubectl --server=https://10.5.0.11:6443 --kubeconfig=/home/ubuntu/.kube/config exec --namespace=statefulset-3459 ss-0 -- /bin/sh -x -c mv -v /tmp/index.h
tml /usr/share/nginx/html/ || true'
May 22 17:03:58.085: INFO: rc: 1
May 22 17:03:58.085: INFO: Waiting 10s to retry failed RunHostCmd: error running &{/snap/bin/kubectl [kubectl --server=https://10.5.0.11:6443 --kubeconfig=/home/ubuntu/.kube/config exec --namespace=s
tatefulset-3459 ss-0 -- /bin/sh -x -c mv -v /tmp/index.html /usr/share/nginx/html/ || true] [] <nil> Error from server (NotFound): pods "ss-0" not found
 [] <nil> 0xc001189ef0 exit status 1 <nil> <nil> true [0xc000985bc0 0xc000985c20 0xc000985c90] [0xc000985bc0 0xc000985c20 0xc000985c90] [0xc000985c08 0xc000985c88] [0x9bf9f0 0x9bf9f0] 0xc001c90ae0 <n
il>}:
Command stdout:

stderr:
Error from server (NotFound): pods "ss-0" not found

error:
exit status 1