[  506.343905] bond0: (slave eth0): making interface the new active one
[  506.344014] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.552477] bond0: (slave eth0): Releasing backup interface
[  510.633590] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.773524] bond0: (slave eth0): Releasing backup interface
[  514.794449] bond0 (unregistering): Released all slaves