[  518.428570] bond0: (slave eth0): making interface the new active one
[  518.428635] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.638693] bond0: (slave eth0): Releasing backup interface
[  522.714794] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.865992] bond0: (slave eth0): Releasing backup interface
[  526.901646] bond0 (unregistering): Released all slaves