[  510.531572] bond0: (slave eth0): making interface the new active one
[  510.531661] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.779824] bond0: (slave eth0): Releasing backup interface
[  514.897753] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.061911] bond0: (slave eth0): Releasing backup interface
[  519.085919] bond0 (unregistering): Released all slaves