[  514.657755] bond0: (slave eth0): making interface the new active one
[  514.657834] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.873469] bond0: (slave eth0): Releasing backup interface
[  518.997523] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.225990] bond0: (slave eth0): Releasing backup interface
[  523.254904] bond0 (unregistering): Released all slaves