option('compat-gateway-hostname', type : 'boolean', value : 'false',
description : 'allow "gateway" as the symbolic name for default gateway')
option('default-hierarchy', type : 'combo',
- choices : ['legacy', 'hybrid', 'unified'], value : 'hybrid',
+ choices : ['legacy', 'hybrid', 'unified'], value : 'unified',
description : 'default cgroup hierarchy')
option('default-net-naming-scheme', type : 'combo',
choices : ['latest', 'v238', 'v239', 'v240'],