[  518.324926] bond0: (slave eth0): making interface the new active one
[  518.324994] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.529972] bond0: (slave eth0): Releasing backup interface
[  522.613903] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.822108] bond0: (slave eth0): Releasing backup interface
[  526.847006] bond0 (unregistering): Released all slaves