- dhcp4: fix routes with gateway on other network than IP address
  and use address class based netmask if it is missed (bnc#887586)
- route,address: check also gw address to set scope correctly and
  omit sending a broadcast when equal to IP address (bnc#887586)
- ethtool: fix to set link speed, duplex and port options
- iflist: fix link type detection for tap devices (bnc#887564)
- ifup/reload: status reporting and complex device hierarchy fixes