[  505.727166] bond0: (slave eth0): making interface the new active one
[  505.727264] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.905759] bond0: (slave eth0): Releasing backup interface
[  510.007668] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.193829] bond0: (slave eth0): Releasing backup interface
[  514.219725] bond0 (unregistering): Released all slaves