[  510.535850] bond0: (slave eth0): making interface the new active one
[  510.536000] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.705397] bond0: (slave eth0): Releasing backup interface
[  514.778677] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.932210] bond0: (slave eth0): Releasing backup interface
[  518.957204] bond0 (unregistering): Released all slaves