[  513.773125] bond0: (slave eth0): making interface the new active one
[  513.773218] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.981520] bond0: (slave eth0): Releasing backup interface
[  518.093829] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.270433] bond0: (slave eth0): Releasing backup interface
[  522.303852] bond0 (unregistering): Released all slaves