[ 537.211022] bond0: (slave eth0): making interface the new active one [ 537.211098] bond0: (slave eth0): Enslaving as an active interface with an up link [ 541.396581] bond0: (slave eth0): Releasing backup interface [ 541.490784] bond0: (slave eth0): Enslaving as an active interface with an up link [ 545.681906] bond0: (slave eth0): Releasing backup interface [ 545.717877] bond0 (unregistering): Released all slaves