-"ip netns new ..." also does a mount namespace, then bind mounts each
-thing in /etc/netns/NETNS_NAME to /etc/NETNS_NAME. Note, for openvpn having it's own
-resolv.conf, this doesn't help much. What we actually want to do is copy
-/run/resolvconf somehwere, then bind mount it on top of /run/resolvconf.
-
-Once systemd 233 comes out, it will have a bind mount option from within
-unit files, so the mount namespace won't be needed for this use case.
-
-Recommmended dependency of errhandle to print stack trace on error:
+A recommmended dependency of this script is my other repo named "errhandle",
+which prints stack trace on error, and calls a cleanup function: