[  517.421717] bond0: (slave eth0): making interface the new active one
[  517.421836] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.613415] bond0: (slave eth0): Releasing backup interface
[  521.676633] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.840619] bond0: (slave eth0): Releasing backup interface
[  525.885362] bond0 (unregistering): Released all slaves