Julia Kreger f7471f07c3 CI: Only setup fake v6 interface if needed
In the case of CI test nodes natively supporting and using ipv6,
we don't need to actually setup a fake IPv6 network for ports
to bind to on the local system. So before doin gso, lets check
to see if we can ping the address first. If not, then set it up.

Change-Id: Ib68c706c1f9ef0ad0cf27e7a6acffd2c50ff37ea
2022-07-20 11:08:20 -07:00
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