[ 544.795646] bond0: (slave eth0): making interface the new active one [ 544.795738] bond0: (slave eth0): Enslaving as an active interface with an up link [ 549.014754] bond0: (slave eth0): Releasing backup interface [ 549.098368] bond0: (slave eth0): Enslaving as an active interface with an up link [ 553.303027] bond0: (slave eth0): Releasing backup interface [ 553.329960] bond0 (unregistering): Released all slaves