[ 507.111544] bond0: (slave eth0): making interface the new active one [ 507.111706] bond0: (slave eth0): Enslaving as an active interface with an up link [ 511.309198] bond0: (slave eth0): Releasing backup interface [ 511.397070] bond0: (slave eth0): Enslaving as an active interface with an up link [ 515.601517] bond0: (slave eth0): Releasing backup interface [ 515.619476] bond0 (unregistering): Released all slaves