[  520.910812] bond0: (slave eth0): making interface the new active one
[  520.910929] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.085583] bond0: (slave eth0): Releasing backup interface
[  525.155790] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.305958] bond0: (slave eth0): Releasing backup interface
[  529.339000] bond0 (unregistering): Released all slaves