[  518.133629] bond0: (slave eth0): making interface the new active one
[  518.133698] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.319667] bond0: (slave eth0): Releasing backup interface
[  522.386537] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.546773] bond0: (slave eth0): Releasing backup interface
[  526.565690] bond0 (unregistering): Released all slaves