[ 745.521960] bond0: (slave eth0): making interface the new active one [ 745.522109] bond0: (slave eth0): Enslaving as an active interface with an up link [ 749.783545] bond0: (slave eth0): Releasing backup interface [ 749.871290] bond0: (slave eth0): Enslaving as an active interface with an up link [ 754.071413] bond0: (slave eth0): Releasing backup interface [ 754.089401] bond0 (unregistering): Released all slaves