[  506.287204] bond0: (slave eth0): making interface the new active one
[  506.287278] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.481792] bond0: (slave eth0): Releasing backup interface
[  510.554483] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.711384] bond0: (slave eth0): Releasing backup interface
[  514.737318] bond0 (unregistering): Released all slaves