docs: no 'via' attribute in route element
docs: no 'via' attribute in route element

via -> gateway

Signed-off-by: Chen Fan <12d549d2a7ab71d88ff3fc5139832541597eadf9@cn.fujitsu.com>

olafhering/libvirt,jfehlig/libvirt,nertpinx/libvirt,jardasgit/libvirt,taget/libvirt,rlaager/libvirt,rlaager/libvirt,agx/libvirt,crobinso/libvirt,taget/libvirt,rlaager/libvirt,jardasgit/libvirt,andreabolognani/libvirt,datto/libvirt,eskultety/libvirt,VenkatDatta/libvirt,olafhering/libvirt,andreabolognani/libvirt,taget/libvirt,datto/libvirt,nertpinx/libvirt,andreabolognani/libvirt,zippy2/libvirt,agx/libvirt,jfehlig/libvirt,agx/libvirt,eskultety/libvirt,andreabolognani/libvirt,jardasgit/libvirt,rlaager/libvirt,fabianfreyer/libvirt,taget/libvirt,zippy2/libvirt,rlaager/libvirt,datto/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,nertpinx/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,nertpinx/libvirt,zippy2/libvirt,libvirt/libvirt,datto/libvirt,fabianfreyer/libvirt,agx/libvirt,nertpinx/libvirt,eskultety/libvirt,olafhering/libvirt,VenkatDatta/libvirt,libvirt/libvirt,libvirt/libvirt,crobinso/libvirt,jfehlig/libvirt,libvirt/libvirt,fabianfreyer/libvirt,eskultety/libvirt,zippy2/libvirt,olafhering/libvirt,fabianfreyer/libvirt,jardasgit/libvirt,jfehlig/libvirt,crobinso/libvirt,agx/libvirt,eskultety/libvirt,taget/libvirt,andreabolognani/libvirt,VenkatDatta/libvirt,datto/libvirt,crobinso/libvirt