[ 521.874940] bond0: (slave eth0): making interface the new active one [ 521.875026] bond0: (slave eth0): Enslaving as an active interface with an up link [ 526.098220] bond0: (slave eth0): Releasing backup interface [ 526.188218] bond0: (slave eth0): Enslaving as an active interface with an up link [ 530.384899] bond0: (slave eth0): Releasing backup interface [ 530.416857] bond0 (unregistering): Released all slaves