[  680.449464] bond0: (slave eth0): making interface the new active one
[  680.449527] bond0: (slave eth0): Enslaving as an active interface with an up link
[  680.454476] 8021q: adding VLAN 0 to HW filter on device bond0
[  684.605801] bond0: (slave eth0): Releasing backup interface
[  684.629532] bond0: (slave eth0): Enslaving as an active interface with an up link
[  684.634662] 8021q: adding VLAN 0 to HW filter on device bond0
[  688.770223] bond0: (slave eth0): Releasing backup interface