[  513.799877] bond0: (slave eth0): making interface the new active one
[  513.799951] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.038512] bond0: (slave eth0): Releasing backup interface
[  518.136517] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.325103] bond0: (slave eth0): Releasing backup interface
[  522.355005] bond0 (unregistering): Released all slaves