Fix regressions from f3d26a2a56:
1) It is now possible again to leave the keepalive option empty.
2) It is possible now to set an interval different from 1 without the
need to explicitly set the failure threshold.
Signed-off-by: Erik Karlsson <erik.karlsson@iopsys.eu>
- Turn IPv4-Address into IPv4 address
- Turn IPv4-Gateway into IPv4 gateway
- Turn IPv6-Address into IPv6 address
- Turn IPv6-Gateway into IPv6 gateway
- Turn MAC-Address into MAC address
Also remove related duplicate translation entries.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
The introduction of network device configuration support also implemented
all common, protocol-independent interface options directly in the
interface config view, so drop the redundant option definitions.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
