[  523.643438] bond0: (slave eth0): making interface the new active one
[  523.643569] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.819041] bond0: (slave eth0): Releasing backup interface
[  527.892223] bond0: (slave eth0): Enslaving as an active interface with an up link
[  532.043650] bond0: (slave eth0): Releasing backup interface
[  532.067407] bond0 (unregistering): Released all slaves