[ 514.979697] bond0: (slave eth0): making interface the new active one [ 514.979817] bond0: (slave eth0): Enslaving as an active interface with an up link [ 519.262007] bond0: (slave eth0): Releasing backup interface [ 519.382927] bond0: (slave eth0): Enslaving as an active interface with an up link [ 523.537942] bond0: (slave eth0): Releasing backup interface [ 523.561928] bond0 (unregistering): Released all slaves