[  514.635675] bond0: (slave eth0): making interface the new active one
[  514.635795] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.806749] bond0: (slave eth0): Releasing backup interface
[  518.885560] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.034195] bond0: (slave eth0): Releasing backup interface
[  523.060168] bond0 (unregistering): Released all slaves