[ 505.550926] bond0: (slave eth0): making interface the new active one [ 505.551074] bond0: (slave eth0): Enslaving as an active interface with an up link [ 509.717110] bond0: (slave eth0): Releasing backup interface [ 509.799166] bond0: (slave eth0): Enslaving as an active interface with an up link [ 513.945327] bond0: (slave eth0): Releasing backup interface [ 513.977281] bond0 (unregistering): Released all slaves