[  522.224173] bond0: (slave eth0): making interface the new active one
[  522.224273] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.414415] bond0: (slave eth0): Releasing backup interface
[  526.490702] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.634886] bond0: (slave eth0): Releasing backup interface
[  530.651837] bond0 (unregistering): Released all slaves