[  513.705714] bond0: (slave eth0): making interface the new active one
[  513.705796] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.913731] bond0: (slave eth0): Releasing backup interface
[  517.997978] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.140227] bond0: (slave eth0): Releasing backup interface
[  522.168174] bond0 (unregistering): Released all slaves