[  514.174687] bond0: (slave eth0): making interface the new active one
[  514.174770] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.378636] bond0: (slave eth0): Releasing backup interface
[  518.471594] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.664910] bond0: (slave eth0): Releasing backup interface
[  522.694739] bond0 (unregistering): Released all slaves