[  517.954911] bond0: (slave eth0): making interface the new active one
[  517.955017] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.124675] bond0: (slave eth0): Releasing backup interface
[  522.191641] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.351719] bond0: (slave eth0): Releasing backup interface
[  526.382686] bond0 (unregistering): Released all slaves