[  501.429693] bond0: (slave eth0): making interface the new active one
[  501.429774] bond0: (slave eth0): Enslaving as an active interface with an up link
[  505.621895] bond0: (slave eth0): Releasing backup interface
[  505.700704] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.851551] bond0: (slave eth0): Releasing backup interface
[  509.888398] bond0 (unregistering): Released all slaves