[  511.837852] bond0: (slave eth0): making interface the new active one
[  511.837937] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.063057] bond0: (slave eth0): Releasing backup interface
[  516.190498] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.413087] bond0: (slave eth0): Releasing backup interface
[  520.443152] bond0 (unregistering): Released all slaves