[  520.787137] bond0: (slave eth0): making interface the new active one
[  520.787237] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.948793] bond0: (slave eth0): Releasing backup interface
[  525.029875] bond0: (slave eth0): Enslaving as an active interface with an up link
[  529.176442] bond0: (slave eth0): Releasing backup interface
[  529.208276] bond0 (unregistering): Released all slaves