[  516.134371] bond0: (slave eth0): making interface the new active one
[  516.134461] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.347060] bond0: (slave eth0): Releasing backup interface
[  520.448861] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.634013] bond0: (slave eth0): Releasing backup interface
[  524.664995] bond0 (unregistering): Released all slaves