[ 503.134615] bond0: (slave eth0): making interface the new active one [ 503.134715] bond0: (slave eth0): Enslaving as an active interface with an up link [ 507.344734] bond0: (slave eth0): Releasing backup interface [ 507.425548] bond0: (slave eth0): Enslaving as an active interface with an up link [ 511.573515] bond0: (slave eth0): Releasing backup interface [ 511.619429] bond0 (unregistering): Released all slaves