[  837.466042][T21680] bond0: (slave eth0): making interface the new active one
[  837.466518][T21680] bond0: (slave eth0): Enslaving as an active interface with an up link
[  837.520614][T21681] 8021q: adding VLAN 0 to HW filter on device bond0
[  841.736690][T21684] bond0: (slave eth0): Releasing backup interface
[  841.888789][T21687] bond0: (slave eth0): Enslaving as an active interface with an up link
[  841.952307][T21688] 8021q: adding VLAN 0 to HW filter on device bond0
[  846.156020][  T219] bond0: (slave eth0): Releasing backup interface
[  846.197652][  T219] bond0 (unregistering): Released all slaves