[  523.733070] bond0: (slave eth0): making interface the new active one
[  523.733142] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.884095] bond0: (slave eth0): Releasing backup interface
[  527.945324] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.108630] bond0: (slave eth0): Releasing backup interface
[  532.147576] bond0 (unregistering): Released all slaves