[  517.895999] bond0: (slave eth0): making interface the new active one
[  517.896125] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.055464] bond0: (slave eth0): Releasing backup interface
[  522.119475] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.286648] bond0: (slave eth0): Releasing backup interface
[  526.313587] bond0 (unregistering): Released all slaves