[  518.997356] bond0: (slave eth0): making interface the new active one
[  518.997502] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.158478] bond0: (slave eth0): Releasing backup interface
[  523.235460] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.382290] bond0: (slave eth0): Releasing backup interface
[  527.405237] bond0 (unregistering): Released all slaves