[ 522.746420] bond0: (slave eth0): making interface the new active one [ 522.746533] bond0: (slave eth0): Enslaving as an active interface with an up link [ 526.923803] bond0: (slave eth0): Releasing backup interface [ 526.998144] bond0: (slave eth0): Enslaving as an active interface with an up link [ 531.151684] bond0: (slave eth0): Releasing backup interface [ 531.176618] bond0 (unregistering): Released all slaves