[  520.980201] bond0: (slave eth0): making interface the new active one
[  520.980266] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.198476] bond0: (slave eth0): Releasing backup interface
[  525.280473] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.424880] bond0: (slave eth0): Releasing backup interface
[  529.455627] bond0 (unregistering): Released all slaves