[  519.998850] bond0: (slave eth0): making interface the new active one
[  519.998930] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.183261] bond0: (slave eth0): Releasing backup interface
[  524.275071] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.472401] bond0: (slave eth0): Releasing backup interface
[  528.502698] bond0 (unregistering): Released all slaves