[ 522.647246] bond0: (slave eth0): making interface the new active one [ 522.647358] bond0: (slave eth0): Enslaving as an active interface with an up link [ 526.802769] bond0: (slave eth0): Releasing backup interface [ 526.882517] bond0: (slave eth0): Enslaving as an active interface with an up link [ 531.035784] bond0: (slave eth0): Releasing backup interface [ 531.064354] bond0 (unregistering): Released all slaves