Tobiko container executed as root

[eduolivares]

Running the tobiko container as rootless is not possible because some tobiko tests need to capture traffic on an interface from the test machine, i.e. from the tobiko container.

Depends-On: openstack-k8s-operators/tcib#131

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• Appropriate testing is done and actually running

[openshift-ci]

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[eduolivares]

Closing this PR because we are going to deprecate the tobiko role and will use test-operator to run tobiko