[ 522.644820] bond0: (slave eth0): making interface the new active one [ 522.644942] bond0: (slave eth0): Enslaving as an active interface with an up link [ 526.799177] bond0: (slave eth0): Releasing backup interface [ 526.868117] bond0: (slave eth0): Enslaving as an active interface with an up link [ 531.023182] bond0: (slave eth0): Releasing backup interface [ 531.051180] bond0 (unregistering): Released all slaves