[  533.619586] bond0: (slave eth0): making interface the new active one
[  533.619658] bond0: (slave eth0): Enslaving as an active interface with an up link
[  537.859004] bond0: (slave eth0): Releasing backup interface
[  537.945570] bond0: (slave eth0): Enslaving as an active interface with an up link
[  542.152908] bond0: (slave eth0): Releasing backup interface
[  542.175309] bond0 (unregistering): Released all slaves