[  517.415895] bond0: (slave eth0): making interface the new active one
[  517.415983] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.606853] bond0: (slave eth0): Releasing backup interface
[  521.677060] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.836255] bond0: (slave eth0): Releasing backup interface
[  525.869026] bond0 (unregistering): Released all slaves