[ 517.044699] bond0: (slave eth0): making interface the new active one [ 517.044795] bond0: (slave eth0): Enslaving as an active interface with an up link [ 521.270829] bond0: (slave eth0): Releasing backup interface [ 521.459752] bond0: (slave eth0): Enslaving as an active interface with an up link [ 525.800377] bond0: (slave eth0): Releasing backup interface [ 525.831260] bond0 (unregistering): Released all slaves