netcho@salt: /srv/salt
 ---> sudo salt -G 'os:centos' test.ping
dc.home:
    True
win7:
    Minion did not return. [Not connected]
---------------------------------------------------------------------

netcho@salt: /srv/salt
 ---> sudo salt -G 'os:windows' test.ping
win2012r2:
    True
win7:
    True
dc.home:
    Minion did not return. [Not connected]