[  514.471720] bond0: (slave eth0): making interface the new active one
[  514.471815] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.686429] bond0: (slave eth0): Releasing backup interface
[  518.814301] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.033024] bond0: (slave eth0): Releasing backup interface
[  523.068050] bond0 (unregistering): Released all slaves