[  518.861424] bond0: (slave eth0): making interface the new active one
[  518.861524] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.094142] bond0: (slave eth0): Releasing backup interface
[  523.209253] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.387004] bond0: (slave eth0): Releasing backup interface
[  527.422130] bond0 (unregistering): Released all slaves