[  514.561875] bond0: (slave eth0): making interface the new active one
[  514.561950] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.804763] bond0: (slave eth0): Releasing backup interface
[  518.920405] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.098122] bond0: (slave eth0): Releasing backup interface
[  523.126044] bond0 (unregistering): Released all slaves