[  520.191065] bond0: (slave eth0): making interface the new active one
[  520.191179] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.446330] bond0: (slave eth0): Releasing backup interface
[  524.563995] bond0: (slave eth0): Enslaving as an active interface with an up link
[  528.735376] bond0: (slave eth0): Releasing backup interface
[  528.766886] bond0 (unregistering): Released all slaves