[  506.627572] bond0: (slave eth0): making interface the new active one
[  506.627678] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.803238] bond0: (slave eth0): Releasing backup interface
[  510.883667] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.035719] bond0: (slave eth0): Releasing backup interface
[  515.070335] bond0 (unregistering): Released all slaves