[  503.002894] bond0: (slave eth0): making interface the new active one
[  503.002984] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.169280] bond0: (slave eth0): Releasing backup interface
[  507.242464] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.396602] bond0: (slave eth0): Releasing backup interface
[  511.433592] bond0 (unregistering): Released all slaves