[  521.062075] bond0: (slave eth0): making interface the new active one
[  521.062185] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.213091] bond0: (slave eth0): Releasing backup interface
[  525.277737] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.443271] bond0: (slave eth0): Releasing backup interface
[  529.476178] bond0 (unregistering): Released all slaves