[ 539.817588] bond0: (slave eth0): making interface the new active one [ 539.817684] bond0: (slave eth0): Enslaving as an active interface with an up link [ 544.024671] bond0: (slave eth0): Releasing backup interface [ 544.126301] bond0: (slave eth0): Enslaving as an active interface with an up link [ 548.312800] bond0: (slave eth0): Releasing backup interface [ 548.333764] bond0 (unregistering): Released all slaves