code: func DefaultConfig() *Config {
  	return &Config{
  		ClusterName:      store.DefaultClusterName,
  		Keylen:           DefaultKeyLen,
  		RotationInterval: DefaultKeyRotationInterval,
  		Subsystems:       []string{SubsystemGossip, SubsystemIPSec},
  	}
  }
docs: // DefaultConfig provides the default config for keymanager