[  684.285508] bond0: (slave eth0): making interface the new active one
[  684.285565] bond0: (slave eth0): Enslaving as an active interface with an up link
[  684.290846] 8021q: adding VLAN 0 to HW filter on device bond0
[  688.380829] bond0: (slave eth0): Releasing backup interface
[  688.404211] bond0: (slave eth0): Enslaving as an active interface with an up link
[  688.409531] 8021q: adding VLAN 0 to HW filter on device bond0
[  692.546992] bond0: (slave eth0): Releasing backup interface