[  498.687717] bond0: (slave eth0): making interface the new active one
[  498.687813] bond0: (slave eth0): Enslaving as an active interface with an up link
[  502.867350] bond0: (slave eth0): Releasing backup interface
[  502.946187] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.092500] bond0: (slave eth0): Releasing backup interface
[  507.124305] bond0 (unregistering): Released all slaves