[ 517.053444] bond0: (slave eth0): making interface the new active one [ 517.053544] bond0: (slave eth0): Enslaving as an active interface with an up link [ 521.301944] bond0: (slave eth0): Releasing backup interface [ 521.414443] bond0: (slave eth0): Enslaving as an active interface with an up link [ 525.599695] bond0: (slave eth0): Releasing backup interface [ 525.628029] bond0 (unregistering): Released all slaves