[  743.749812] bond0: (slave eth0): making interface the new active one
[  743.749907] bond0: (slave eth0): Enslaving as an active interface with an up link
[  743.755362] 8021q: adding VLAN 0 to HW filter on device bond0
[  747.903829] bond0: (slave eth0): Releasing backup interface
[  747.927663] bond0: (slave eth0): Enslaving as an active interface with an up link
[  747.932963] 8021q: adding VLAN 0 to HW filter on device bond0
[  752.069830] bond0: (slave eth0): Releasing backup interface
[  752.107723] bond0 (unregistering): Released all slaves