[ 742.590660] bond0: (slave eth0): making interface the new active one [ 742.590789] bond0: (slave eth0): Enslaving as an active interface with an up link [ 746.763533] bond0: (slave eth0): Releasing backup interface [ 746.838898] bond0: (slave eth0): Enslaving as an active interface with an up link [ 750.991704] bond0: (slave eth0): Releasing backup interface [ 751.016681] bond0 (unregistering): Released all slaves