[  518.565300] bond0: (slave eth0): making interface the new active one
[  518.565389] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.780070] bond0: (slave eth0): Releasing backup interface
[  522.896683] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.065415] bond0: (slave eth0): Releasing backup interface
[  527.105352] bond0 (unregistering): Released all slaves