[ 537.813898] bond0: (slave eth0): making interface the new active one [ 537.813993] bond0: (slave eth0): Enslaving as an active interface with an up link [ 542.028858] bond0: (slave eth0): Releasing backup interface [ 542.122626] bond0: (slave eth0): Enslaving as an active interface with an up link [ 546.321728] bond0: (slave eth0): Releasing backup interface [ 546.352655] bond0 (unregistering): Released all slaves