[ 531.541812] bond0: (slave eth0): making interface the new active one [ 531.541907] bond0: (slave eth0): Enslaving as an active interface with an up link [ 535.690471] bond0: (slave eth0): Releasing backup interface [ 535.755564] bond0: (slave eth0): Enslaving as an active interface with an up link [ 539.913047] bond0: (slave eth0): Releasing backup interface [ 539.940074] bond0 (unregistering): Released all slaves