[  523.066590] bond0: (slave eth0): making interface the new active one
[  523.066694] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.240063] bond0: (slave eth0): Releasing backup interface
[  527.296140] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.469311] bond0: (slave eth0): Releasing backup interface
[  531.503974] bond0 (unregistering): Released all slaves