[  872.544058][T21576] bond0: (slave eth0): making interface the new active one
[  872.544553][T21576] bond0: (slave eth0): Enslaving as an active interface with an up link
[  872.587901][T21577] 8021q: adding VLAN 0 to HW filter on device bond0
[  876.806053][T21580] bond0: (slave eth0): Releasing backup interface
[  876.941543][T21583] bond0: (slave eth0): Enslaving as an active interface with an up link
[  876.982255][T21584] 8021q: adding VLAN 0 to HW filter on device bond0
[  881.126213][T12050] bond0: (slave eth0): Releasing backup interface
[  881.159753][T12050] bond0 (unregistering): Released all slaves