[ 520.432992] bond0: (slave eth0): making interface the new active one [ 520.433084] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.617724] bond0: (slave eth0): Releasing backup interface [ 524.702649] bond0: (slave eth0): Enslaving as an active interface with an up link [ 528.845575] bond0: (slave eth0): Releasing backup interface [ 528.871562] bond0 (unregistering): Released all slaves