[  507.406377] bond0: (slave eth0): making interface the new active one
[  507.406469] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.572444] bond0: (slave eth0): Releasing backup interface
[  511.658072] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.792388] bond0: (slave eth0): Releasing backup interface
[  515.819308] bond0 (unregistering): Released all slaves