[ 512.270445] bond0: (slave eth0): making interface the new active one [ 512.270526] bond0: (slave eth0): Enslaving as an active interface with an up link [ 516.501225] bond0: (slave eth0): Releasing backup interface [ 516.612571] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.787021] bond0: (slave eth0): Releasing backup interface [ 520.813992] bond0 (unregistering): Released all slaves