[ 514.895636] bond0: (slave eth0): making interface the new active one [ 514.895745] bond0: (slave eth0): Enslaving as an active interface with an up link [ 519.136157] bond0: (slave eth0): Releasing backup interface [ 519.232184] bond0: (slave eth0): Enslaving as an active interface with an up link [ 523.411047] bond0: (slave eth0): Releasing backup interface [ 523.438308] bond0 (unregistering): Released all slaves