[  518.554617] bond0: (slave eth0): making interface the new active one
[  518.554801] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.781257] bond0: (slave eth0): Releasing backup interface
[  522.891590] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.064029] bond0: (slave eth0): Releasing backup interface
[  527.096962] bond0 (unregistering): Released all slaves