[ 542.084437] bond0: (slave eth0): making interface the new active one [ 542.084536] bond0: (slave eth0): Enslaving as an active interface with an up link [ 546.250359] bond0: (slave eth0): Releasing backup interface [ 546.319222] bond0: (slave eth0): Enslaving as an active interface with an up link [ 550.477689] bond0: (slave eth0): Releasing backup interface [ 550.511657] bond0 (unregistering): Released all slaves