[  518.785456] bond0: (slave eth0): making interface the new active one
[  518.785532] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.958686] bond0: (slave eth0): Releasing backup interface
[  523.035975] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.184757] bond0: (slave eth0): Releasing backup interface
[  527.209839] bond0 (unregistering): Released all slaves