[BUG] Problems with bonding over Broadcom (bnx2) cards using vlan

Problems with bonding over Broadcom (bnx2) cards using vlan

Issue:

Following a yum update from Red Hat Enterprise Linux 6.2 to 6.3 the network no longer functions though it is showing as up. Although all nic messages indicate everything should be up, the system is unreachable.

Jun 23 09:54:47 HOSTNAME kernel: 802.1Q VLAN Support v1.8 Ben Greear
Jun 23 09:54:47 HOSTNAME kernel: 8021q: adding VLAN 0 to HW filter on device bond0
Jun 23 09:54:48 HOSTNAME kernel: bonding: bond0: Removing slave eth3
Jun 23 09:54:48 HOSTNAME kernel: bonding: bond0: releasing active interface eth3
Jun 23 09:54:50 HOSTNAME kernel: bonding: bond0: Removing slave eth2
Jun 23 09:54:50 HOSTNAME kernel: bonding: bond0: releasing active interface eth2
Jun 23 09:54:53 HOSTNAME kernel: bonding: bond0: Removing slave eth1
Jun 23 09:54:53 HOSTNAME kernel: bonding: bond0: releasing active interface eth1
Jun 23 09:54:57 HOSTNAME kernel: bonding: bond0: Removing slave eth0
Jun 23 09:54:57 HOSTNAME kernel: bonding: bond0: Warning: the permanent HWaddr
of eth0 - l1:da:4n:79:gb:d6 - is still in use by bond0. Set the HWaddr of eth0 to a different address to
avoid conflicts. Jun 23 09:54:57 HOSTNAME kernel: bonding: bond0: releasing active interface eth0

Environment:

• Red Hat Enterprise Linux 6.3
• kernel-2.6.32-279.el6 or newer

Resolution:

Workaround: revert to kernel prior to kernel-2.6.32-279.el6.

This issue is being tracked in BZ#834764

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