[  523.560653] bond0: (slave eth0): making interface the new active one
[  523.560999] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.831867] bond0: (slave eth0): Releasing backup interface
[  527.943810] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.109473] bond0: (slave eth0): Releasing backup interface
[  532.140279] bond0 (unregistering): Released all slaves