[  510.637070] bond0: (slave eth0): making interface the new active one
[  510.637167] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.842150] bond0: (slave eth0): Releasing backup interface
[  514.949000] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.129218] bond0: (slave eth0): Releasing backup interface
[  519.163187] bond0 (unregistering): Released all slaves