[  522.269529] bond0: (slave eth0): making interface the new active one
[  522.269626] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.480540] bond0: (slave eth0): Releasing backup interface
[  526.563358] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.703770] bond0: (slave eth0): Releasing backup interface
[  530.731740] bond0 (unregistering): Released all slaves