[ 539.589464] bond0: (slave eth0): making interface the new active one [ 539.589576] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.828695] bond0: (slave eth0): Releasing backup interface [ 543.927400] bond0: (slave eth0): Enslaving as an active interface with an up link [ 548.119817] bond0: (slave eth0): Releasing backup interface [ 548.149747] bond0 (unregistering): Released all slaves