[  515.792299] bond0: (slave eth0): making interface the new active one
[  515.792363] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.020851] bond0: (slave eth0): Releasing backup interface
[  520.122347] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.314957] bond0: (slave eth0): Releasing backup interface
[  524.351991] bond0 (unregistering): Released all slaves