[  518.111072] bond0: (slave eth0): making interface the new active one
[  518.111158] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.258553] bond0: (slave eth0): Releasing backup interface
[  522.333633] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.485384] bond0: (slave eth0): Releasing backup interface
[  526.518267] bond0 (unregistering): Released all slaves