runtime-rs: k8s-footloose.bats CI failed.

[studychao]

CI Error Msg

INFO: Run tests
INFO: Running test k8s-footloose.bats
1..1
not ok 1 Footloose pod
# (in test file k8s-footloose.bats, line 49)
#   `ssh -i "$key_path" -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no 2>/dev/null root@"$pod_ip" "$cmd"' failed with status 255

Background and Reason

WIP