Remove mount /var/run from host to avoid DNS lookup failure
Remove mount /var/run from host to avoid DNS lookup failure

The host's /var/run/nscd leaking into the pod and it caused the DNS
lookup failure.

Signed-off-by: JenTing Hsiao <45f52b84e8dbbd6debe686c9cfd4b5cf4d4bd0dc@suse.com>

rancher/longhorn