[ 542.796295] bond0: (slave eth0): making interface the new active one [ 542.796362] bond0: (slave eth0): Enslaving as an active interface with an up link [ 547.023826] bond0: (slave eth0): Releasing backup interface [ 547.102168] bond0: (slave eth0): Enslaving as an active interface with an up link [ 551.246567] bond0: (slave eth0): Releasing backup interface [ 551.278564] bond0 (unregistering): Released all slaves