[  517.431776] bond0: (slave eth0): making interface the new active one
[  517.431848] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.689814] bond0: (slave eth0): Releasing backup interface
[  521.792710] bond0: (slave eth0): Enslaving as an active interface with an up link
[  525.979009] bond0: (slave eth0): Releasing backup interface
[  526.023020] bond0 (unregistering): Released all slaves