[  501.880237] bond0: (slave eth0): making interface the new active one
[  501.880351] bond0: (slave eth0): Enslaving as an active interface with an up link
[  506.070861] bond0: (slave eth0): Releasing backup interface
[  506.144098] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.295190] bond0: (slave eth0): Releasing backup interface
[  510.327175] bond0 (unregistering): Released all slaves