[  518.573743] bond0: (slave eth0): making interface the new active one
[  518.573838] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.792082] bond0: (slave eth0): Releasing backup interface
[  522.904617] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.076073] bond0: (slave eth0): Releasing backup interface
[  527.110060] bond0 (unregistering): Released all slaves