[ 539.460208] bond0: (slave eth0): making interface the new active one [ 539.460295] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.632598] bond0: (slave eth0): Releasing backup interface [ 543.717511] bond0: (slave eth0): Enslaving as an active interface with an up link [ 547.922923] bond0: (slave eth0): Releasing backup interface [ 547.955043] bond0 (unregistering): Released all slaves