[  520.756870] bond0: (slave eth0): making interface the new active one
[  520.756967] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.940959] bond0: (slave eth0): Releasing backup interface
[  525.006143] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.167598] bond0: (slave eth0): Releasing backup interface
[  529.191562] bond0 (unregistering): Released all slaves