[  518.388177] bond0: (slave eth0): making interface the new active one
[  518.388305] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.606758] bond0: (slave eth0): Releasing backup interface
[  522.735811] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.948604] bond0: (slave eth0): Releasing backup interface
[  526.976468] bond0 (unregistering): Released all slaves