[  518.303028] bond0: (slave eth0): making interface the new active one
[  518.303125] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.523542] bond0: (slave eth0): Releasing backup interface
[  522.645212] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.813126] bond0: (slave eth0): Releasing backup interface
[  526.844999] bond0 (unregistering): Released all slaves