[ 512.672249] bond0: (slave eth0): making interface the new active one [ 512.672346] bond0: (slave eth0): Enslaving as an active interface with an up link [ 516.880846] bond0: (slave eth0): Releasing backup interface [ 516.971687] bond0: (slave eth0): Enslaving as an active interface with an up link [ 521.167872] bond0: (slave eth0): Releasing backup interface [ 521.193757] bond0 (unregistering): Released all slaves