[  514.844283] bond0: (slave eth0): making interface the new active one
[  514.844386] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.066914] bond0: (slave eth0): Releasing backup interface
[  519.184229] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.347968] bond0: (slave eth0): Releasing backup interface
[  523.375042] bond0 (unregistering): Released all slaves