[  510.756786] bond0: (slave eth0): making interface the new active one
[  510.756879] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.967593] bond0: (slave eth0): Releasing backup interface
[  515.093652] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.320078] bond0: (slave eth0): Releasing backup interface
[  519.354054] bond0 (unregistering): Released all slaves