[  837.384378][T21928] bond0: (slave eth0): making interface the new active one
[  837.384861][T21928] bond0: (slave eth0): Enslaving as an active interface with an up link
[  837.425488][T21929] 8021q: adding VLAN 0 to HW filter on device bond0
[  841.673419][T21932] bond0: (slave eth0): Releasing backup interface
[  841.800624][T21935] bond0: (slave eth0): Enslaving as an active interface with an up link
[  841.841785][T21936] 8021q: adding VLAN 0 to HW filter on device bond0
[  846.018779][   T73] bond0: (slave eth0): Releasing backup interface
[  846.071079][   T73] bond0 (unregistering): Released all slaves