[6.15.z] Update Hostgroup and host class with subnet6 for IPv6#1274

Gauravtalreja1 merged 1 commit into6.15.zSatelliteQE/nailgun:6.15.zfrom

cherry-pick-6.15.z-bcf600d484742fd8586ac5ba2ce9093cf032d889SatelliteQE/nailgun:cherry-pick-6.15.z-bcf600d484742fd8586ac5ba2ce9093cf032d889Copy head branch name to clipboard