[ 515.079096] bond0: (slave eth0): making interface the new active one [ 515.079182] bond0: (slave eth0): Enslaving as an active interface with an up link [ 519.320215] bond0: (slave eth0): Releasing backup interface [ 519.424459] bond0: (slave eth0): Enslaving as an active interface with an up link [ 523.609952] bond0: (slave eth0): Releasing backup interface [ 523.644861] bond0 (unregistering): Released all slaves