[ 512.924220] bond0: (slave eth0): making interface the new active one [ 512.924284] bond0: (slave eth0): Enslaving as an active interface with an up link [ 517.144704] bond0: (slave eth0): Releasing backup interface [ 517.242240] bond0: (slave eth0): Enslaving as an active interface with an up link [ 521.430057] bond0: (slave eth0): Releasing backup interface [ 521.455878] bond0 (unregistering): Released all slaves