[  526.653666] bond0: (slave eth0): making interface the new active one
[  526.653735] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.826929] bond0: (slave eth0): Releasing backup interface
[  530.886408] bond0: (slave eth0): Enslaving as an active interface with an up link
[  535.054939] bond0: (slave eth0): Releasing backup interface
[  535.082888] bond0 (unregistering): Released all slaves