[ 539.455636] bond0: (slave eth0): making interface the new active one [ 539.455731] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.695258] bond0: (slave eth0): Releasing backup interface [ 543.786093] bond0: (slave eth0): Enslaving as an active interface with an up link [ 547.982736] bond0: (slave eth0): Releasing backup interface [ 548.008749] bond0 (unregistering): Released all slaves