[ 531.483068] bond0: (slave eth0): making interface the new active one [ 531.483140] bond0: (slave eth0): Enslaving as an active interface with an up link [ 535.697417] bond0: (slave eth0): Releasing backup interface [ 535.772577] bond0: (slave eth0): Enslaving as an active interface with an up link [ 539.927830] bond0: (slave eth0): Releasing backup interface [ 539.950780] bond0 (unregistering): Released all slaves