Addrconf(netdev_change) link becomes ready

- Addrconf netdev_change link becomes ready
- Ipv6 addrconf netdev_change link becomes ready
- Addrconf(netdev_change) eth0 link becomes ready
- Ipv6 addrconf netdev_change ) wlan0 link becomes ready
- Ipv6 addrconf netdev_change ) can0 link becomes ready
- Ipv6 addrconf netdev_change ) eth1 link becomes ready
- Addrconf netdev_change ) wlan0 link becomes ready
- Ipv6 addrconf netdev_change ) usb0 link becomes ready
- Addrconf(netdev_up) link is not ready
- Addrconf link is not ready