[ 507.947379] bond0: (slave eth0): making interface the new active one [ 507.947446] bond0: (slave eth0): Enslaving as an active interface with an up link [ 512.145623] bond0: (slave eth0): Releasing backup interface [ 512.247311] bond0: (slave eth0): Enslaving as an active interface with an up link [ 516.437868] bond0: (slave eth0): Releasing backup interface [ 516.467881] bond0 (unregistering): Released all slaves