I use bonding under CENTOS4.5 x32_62. I have these weird messages when I'm restarting network. Do you have any ideas how to fix this? (there is similar bug for centos5 http://bugs.centos.org/view.php?id=2404, but the author says that it worked for him in centos4...) Thanks Vitaly Dec 17 08:34:21 3_10 kernel: bonding: Warning: the permanent HWaddr of eth0 - 00:1A:64:0A:DC:9C - is still in use by bond0. Set the HWaddr of eth0 to a different address to avoid conflicts. Dec 17 08:34:21 3_10 kernel: bonding: bond0: releasing active interface eth0 Dec 17 08:34:21 3_10 kernel: bonding: bond0: making interface eth1 the new active one. Dec 17 08:34:21 3_10 kernel: bonding: bond0: releasing active interface eth1 Dec 17 08:34:21 3_10 network: Shutting down interface bond0: succeeded Dec 17 08:34:21 3_10 network: Shutting down interface eth2: succeeded ........ Dec 17 08:35:16 3_10 kernel: ADDRCONF(NETDEV_UP): bond0: link is not ready Dec 17 08:35:20 3_10 ifup: Enslaving eth0 to bond0 Dec 17 08:35:20 3_10 kernel: bnx2: eth0: using MSI Dec 17 08:35:20 3_10 kernel: ADDRCONF(NETDEV_UP): eth0: link is not ready Dec 17 08:35:20 3_10 kernel: bonding: bond0: enslaving eth0 as a backup interface with a down link. Dec 17 08:35:20 3_10 ifup: Enslaving eth1 to bond0 Dec 17 08:35:20 3_10 kernel: bnx2: eth1: using MSI Dec 17 08:35:20 3_10 kernel: ADDRCONF(NETDEV_UP): eth1: link is not ready Dec 17 08:35:20 3_10 kernel: bonding: bond0: enslaving eth1 as a backup interface with a down link. Dec 17 08:35:20 3_10 network: Bringing up interface bond0: succeeded Dec 17 08:35:21 3_10 kernel: ADDRCONF(NETDEV_UP): eth2: link is not ready Dec 17 08:35:23 3_10 kernel: bnx2: eth0 NIC Link is Up, 1000 Mbps full duplex Dec 17 08:35:23 3_10 kernel: bonding: bond0: link status definitely up for interface eth0. Dec 17 08:35:23 3_10 kernel: bonding: bond0: making interface eth0 the new active one. Dec 17 08:35:23 3_10 kernel: bonding: bond0: first active interface up! Dec 17 08:35:23 3_10 kernel: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready Dec 17 08:35:23 3_10 kernel: bnx2: eth1 NIC Link is Up, 1000 Mbps full duplex Dec 17 08:35:23 3_10 kernel: bonding: bond0: link status definitely up for interface eth1. Dec 17 08:35:23 3_10 kernel: tg3: eth2: Link is up at 1000 Mbps, full duplex. Dec 17 08:35:24 3_10 kernel: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready Dec 17 08:35:24 3_10 kernel: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready Dec 17 08:35:24 3_10 kernel: ADDRCONF(NETDEV_CHANGE): eth2: link becomes ready Dec 17 08:35:24 3_10 kernel: bond0: duplicate address detected! Dec 17 08:35:25 3_10 network: Bringing up interface eth2: succeeded