[  518.424732] bond0: (slave eth0): making interface the new active one
[  518.424825] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.572615] bond0: (slave eth0): Releasing backup interface
[  522.651317] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.796130] bond0: (slave eth0): Releasing backup interface
[  526.820062] bond0 (unregistering): Released all slaves