[ 539.388501] bond0: (slave eth0): making interface the new active one [ 539.388579] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.574585] bond0: (slave eth0): Releasing backup interface [ 543.670132] bond0: (slave eth0): Enslaving as an active interface with an up link [ 547.868221] bond0: (slave eth0): Releasing backup interface [ 547.897966] bond0 (unregistering): Released all slaves