When you say
> root@osctrl3dc02:~# ip netns exec vips ip a
Is osctrl3dc02 the host or a container? Are you saying that you start a container on the host, and then /var/run/netns/ contents change on the host?
When you say
> root@osctrl3dc02:~# ip netns exec vips ip a
Is osctrl3dc02 the host or a container? Are you saying that you start a container on the host, and then /var/run/netns/ contents change on the host?