[  505.906870] bond0: (slave eth0): making interface the new active one
[  505.906987] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.098282] bond0: (slave eth0): Releasing backup interface
[  510.186767] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.323327] bond0: (slave eth0): Releasing backup interface
[  514.351340] bond0 (unregistering): Released all slaves