[  523.333271] bond0: (slave eth0): making interface the new active one
[  523.333361] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.497119] bond0: (slave eth0): Releasing backup interface
[  527.575981] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.717016] bond0: (slave eth0): Releasing backup interface
[  531.738977] bond0 (unregistering): Released all slaves