[ 504.342634] bond0: (slave eth0): making interface the new active one [ 504.342712] bond0: (slave eth0): Enslaving as an active interface with an up link [ 508.565531] bond0: (slave eth0): Releasing backup interface [ 508.655136] bond0: (slave eth0): Enslaving as an active interface with an up link [ 512.858538] bond0: (slave eth0): Releasing backup interface [ 512.884229] bond0 (unregistering): Released all slaves