[  519.381245] bond0: (slave eth0): making interface the new active one
[  519.381357] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.541110] bond0: (slave eth0): Releasing backup interface
[  523.622079] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.763243] bond0: (slave eth0): Releasing backup interface
[  527.787206] bond0 (unregistering): Released all slaves