# dmesg

e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
eth0: 10/100 speed: disabling TSO
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
ADDRCONF(NETDEV_UP): eth1: link is not ready
IPv6 over IPv4 tunneling driver
ip_tables: (C) 2000-2006 Netfilter Core Team
Netfilter messages via NETLINK v0.30.
ip_conntrack version 2.4 (8192 buckets, 65536 max) - 304 bytes per conntrack
eth0: no IPv6 routers present
ADDRCONF(NETDEV_UP): eth0: link is not ready
ADDRCONF(NETDEV_UP): eth1: link is not ready
e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
eth0: 10/100 speed: disabling TSO
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
eth0: no IPv6 routers present
ADDRCONF(NETDEV_UP): eth0: link is not ready
ADDRCONF(NETDEV_UP): eth1: link is not ready
e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
eth0: 10/100 speed: disabling TSO
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
eth0: no IPv6 routers present


# tail -f /var/log/messages
Nov 11 17:59:55 www3 kernel: ADDRCONF(NETDEV_UP): eth0: link is not ready
Nov 11 17:59:55 www3 kernel: ADDRCONF(NETDEV_UP): eth1: link is not ready
Nov 11 17:59:56 www3 kernel: e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: None
Nov 11 17:59:56 www3 kernel: eth0: 10/100 speed: disabling TSO
Nov 11 17:59:56 www3 kernel: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready