[  517.527655] bond0: (slave eth0): making interface the new active one
[  517.527734] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.688671] bond0: (slave eth0): Releasing backup interface
[  521.767797] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.917819] bond0: (slave eth0): Releasing backup interface
[  525.954275] bond0 (unregistering): Released all slaves