[ 539.549274] bond0: (slave eth0): making interface the new active one [ 539.549350] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.759744] bond0: (slave eth0): Releasing backup interface [ 543.846535] bond0: (slave eth0): Enslaving as an active interface with an up link [ 548.046688] bond0: (slave eth0): Releasing backup interface [ 548.067619] bond0 (unregistering): Released all slaves