[  843.807430][T19511] bond0: (slave eth0): making interface the new active one
[  843.807844][T19511] bond0: (slave eth0): Enslaving as an active interface with an up link
[  843.847977][T19512] 8021q: adding VLAN 0 to HW filter on device bond0
[  848.116153][T19515] bond0: (slave eth0): Releasing backup interface
[  848.256686][T19518] bond0: (slave eth0): Enslaving as an active interface with an up link
[  848.292166][T19519] 8021q: adding VLAN 0 to HW filter on device bond0
[  852.484538][ T8815] bond0: (slave eth0): Releasing backup interface
[  852.553380][ T8815] bond0 (unregistering): Released all slaves