[ 508.219760] bond0: (slave eth0): making interface the new active one [ 508.219872] bond0: (slave eth0): Enslaving as an active interface with an up link [ 512.400276] bond0: (slave eth0): Releasing backup interface [ 512.468582] bond0: (slave eth0): Enslaving as an active interface with an up link [ 516.628612] bond0: (slave eth0): Releasing backup interface [ 516.658548] bond0 (unregistering): Released all slaves