[  517.849384] bond0: (slave eth0): making interface the new active one
[  517.849476] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.078758] bond0: (slave eth0): Releasing backup interface
[  522.191761] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.369260] bond0: (slave eth0): Releasing backup interface
[  526.411175] bond0 (unregistering): Released all slaves