[  811.072069][ T9145] bond0: (slave eth0): making interface the new active one
[  811.072709][ T9145] bond0: (slave eth0): Enslaving as an active interface with an up link
[  815.791607][ T9149] bond0: (slave eth0): Releasing backup interface
[  816.302524][ T9152] bond0: (slave eth0): Enslaving as an active interface with an up link
[  820.896088][ T4640] bond0: (slave eth0): Releasing backup interface
[  821.268691][ T4640] bond0 (unregistering): Released all slaves