[  518.724757] bond0: (slave eth0): making interface the new active one
[  518.724850] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.889750] bond0: (slave eth0): Releasing backup interface
[  522.958885] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.120562] bond0: (slave eth0): Releasing backup interface
[  527.154044] bond0 (unregistering): Released all slaves