[  536.664207] bond0: (slave eth0): making interface the new active one
[  536.664285] bond0: (slave eth0): Enslaving as an active interface with an up link
[  540.880153] bond0: (slave eth0): Releasing backup interface
[  540.967320] bond0: (slave eth0): Enslaving as an active interface with an up link
[  545.165704] bond0: (slave eth0): Releasing backup interface
[  545.192719] bond0 (unregistering): Released all slaves