[ 522.497701] bond0: (slave eth0): making interface the new active one [ 522.497807] bond0: (slave eth0): Enslaving as an active interface with an up link [ 526.742749] bond0: (slave eth0): Releasing backup interface [ 526.846490] bond0: (slave eth0): Enslaving as an active interface with an up link [ 531.031325] bond0: (slave eth0): Releasing backup interface [ 531.062069] bond0 (unregistering): Released all slaves