[  518.729260] bond0: (slave eth0): making interface the new active one
[  518.729331] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.968127] bond0: (slave eth0): Releasing backup interface
[  523.079060] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.252943] bond0: (slave eth0): Releasing backup interface
[  527.274870] bond0 (unregistering): Released all slaves