[root@baba ~]# cat /proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.4.0-1 (October 7, 2008)

Bonding Mode: adaptive load balancing
Primary Slave: None
Currently Active Slave: eth1
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 200
Down Delay (ms): 200

Slave Interface: eth0
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:19:00:00:00:fb

Slave Interface: eth1
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 00:06:11:11:11:3b

[root@baba ~]# ifconfig | sed -n '/^[a-z]*[0-9]/p'
bond0     Link encap:Ethernet  HWaddr 00:19:00:00:00:FB
eth0      Link encap:Ethernet  HWaddr 00:06:11:11:11:3B
eth1      Link encap:Ethernet  HWaddr 00:19:00:00:00:FB

If the receiving slave fails, another slave
takes over the MAC address of the failed
receiving slave.