[  518.893662] bond0: (slave eth0): making interface the new active one
[  518.893745] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.085176] bond0: (slave eth0): Releasing backup interface
[  523.168207] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.307870] bond0: (slave eth0): Releasing backup interface
[  527.334872] bond0 (unregistering): Released all slaves