[ 539.709868] bond0: (slave eth0): making interface the new active one [ 539.709989] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.957885] bond0: (slave eth0): Releasing backup interface [ 544.045624] bond0: (slave eth0): Enslaving as an active interface with an up link [ 548.239691] bond0: (slave eth0): Releasing backup interface [ 548.271690] bond0 (unregistering): Released all slaves