network: explain reason for bandwidth floor rejection
network: explain reason for bandwidth floor rejection

Reword error messages to make it clear that the combined floor settings
of all NICs are exceeding the network inbound peak/average
settings. Including the actual values being checked helps to diagnose
what is actually wrong.

Reviewed-by: Laine Stump <c23361c43fbf79fed83e8b76173707b083d6caf5@laine.org>
Signed-off-by: Daniel P. Berrangé <bb938cf255e055ff3507f2627d214e8e62118fcf@redhat.com>

crobinso/libvirt,olafhering/libvirt,nertpinx/libvirt,libvirt/libvirt,zippy2/libvirt,olafhering/libvirt,fabianfreyer/libvirt,eskultety/libvirt,zippy2/libvirt,zippy2/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jfehlig/libvirt,andreabolognani/libvirt,jardasgit/libvirt,nertpinx/libvirt,eskultety/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,eskultety/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,eskultety/libvirt,libvirt/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,jardasgit/libvirt,crobinso/libvirt,zippy2/libvirt,eskultety/libvirt,olafhering/libvirt,olafhering/libvirt,andreabolognani/libvirt,jfehlig/libvirt,crobinso/libvirt,jardasgit/libvirt,nertpinx/libvirt,nertpinx/libvirt,crobinso/libvirt,jardasgit/libvirt,jfehlig/libvirt,libvirt/libvirt,libvirt/libvirt,jardasgit/libvirt,andreabolognani/libvirt