nmcli> set ipv4.dns 192.168.1.254
nmcli> save persistent
Saving the connection with ‘autoconnect=yes’. That might result in an immediate activation of the connection.
Do you still want to save? (yes/no) [yes] yes
Error: Failed to save ‘mgtbridge’ (c4bab3d4-c3bf-4af6-b870-d4034bbdc6cb) connection: ipv4.dns-data: unknown property
nmcli>