Adding condition for the ipadm command on static ip addresses.
This will enable restarting solaris 11 vagrant boxes with static ip addresses.
First fix didn't work correctly.
Now, the ip address will be removed, if there (from dhcp) and re-configured with the given value.
...missed to replace the device variable :-)
Merge pull request #4621 from awusizok/fix/master/2905-static-solaris11-addresses

guests/solaris: Solving #2905 - Restarting Solaris 11 boxes with static ip addresses