[  523.515604] bond0: (slave eth0): making interface the new active one
[  523.515678] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.708180] bond0: (slave eth0): Releasing backup interface
[  527.817586] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.991089] bond0: (slave eth0): Releasing backup interface
[  532.032043] bond0 (unregistering): Released all slaves