[  513.130710] bond0: (slave eth0): making interface the new active one
[  513.130804] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.337487] bond0: (slave eth0): Releasing backup interface
[  517.459441] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.620872] bond0: (slave eth0): Releasing backup interface
[  521.648877] bond0 (unregistering): Released all slaves