[  518.555678] bond0: (slave eth0): making interface the new active one
[  518.555757] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.709449] bond0: (slave eth0): Releasing backup interface
[  522.784357] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.937639] bond0: (slave eth0): Releasing backup interface
[  526.962523] bond0 (unregistering): Released all slaves