[  514.667176] bond0: (slave eth0): making interface the new active one
[  514.667264] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.869969] bond0: (slave eth0): Releasing backup interface
[  518.979814] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.157946] bond0: (slave eth0): Releasing backup interface
[  523.178896] bond0 (unregistering): Released all slaves