When I run sudo cat /var/log/dmesg | grep -i eth I get the following;

[ 1.753614] Driver 'sd' needs updating - please use bus_type methods
[ 1.753626] Driver 'sr' needs updating - please use bus_type methods
[ 2.834283] e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
[ 3.124246] e1000: eth1: e1000_probe: Intel(R) PRO/1000 Network Connection
[ 39.600864] ADDRCONF(NETDEV_UP): eth1: link is not ready
[ 39.633086] e1000: eth1: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[ 39.633378] ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready
[ 43.965494] Bluetooth: BNEP (Ethernet Emulation) ver 1.3

What is necessary of fix this?