[  518.450213] bond0: (slave eth0): making interface the new active one
[  518.450328] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.636134] bond0: (slave eth0): Releasing backup interface
[  522.703264] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.860547] bond0: (slave eth0): Releasing backup interface
[  526.892594] bond0 (unregistering): Released all slaves