[ 518.470977] bond0: (slave eth0): making interface the new active one [ 518.471107] bond0: (slave eth0): Enslaving as an active interface with an up link [ 522.644696] bond0: (slave eth0): Releasing backup interface [ 522.715497] bond0: (slave eth0): Enslaving as an active interface with an up link [ 526.874229] bond0: (slave eth0): Releasing backup interface [ 526.906263] bond0 (unregistering): Released all slaves