[  514.960793] bond0: (slave eth0): making interface the new active one
[  514.960860] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.194573] bond0: (slave eth0): Releasing backup interface
[  519.300147] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.483133] bond0: (slave eth0): Releasing backup interface
[  523.504121] bond0 (unregistering): Released all slaves