[ 511.772103] bond0: (slave eth0): making interface the new active one [ 511.772195] bond0: (slave eth0): Enslaving as an active interface with an up link [ 515.996389] bond0: (slave eth0): Releasing backup interface [ 516.119683] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.350403] bond0: (slave eth0): Releasing backup interface [ 520.376791] bond0 (unregistering): Released all slaves