[ 515.573140] bond0: (slave eth0): making interface the new active one [ 515.573226] bond0: (slave eth0): Enslaving as an active interface with an up link [ 519.765912] bond0: (slave eth0): Releasing backup interface [ 519.870234] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.062933] bond0: (slave eth0): Releasing backup interface [ 524.077860] bond0 (unregistering): Released all slaves