[  522.066603] bond0: (slave eth0): making interface the new active one
[  522.066726] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.216876] bond0: (slave eth0): Releasing backup interface
[  526.281341] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.444464] bond0: (slave eth0): Releasing backup interface
[  530.481292] bond0 (unregistering): Released all slaves