[  523.378119] bond0: (slave eth0): making interface the new active one
[  523.378191] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.562657] bond0: (slave eth0): Releasing backup interface
[  527.651684] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.794736] bond0: (slave eth0): Releasing backup interface
[  531.828755] bond0 (unregistering): Released all slaves