Test: improve logging when VPP API calls fail (#1486)
Test: improve logging when VPP API calls fail (#1486)

Signed-off-by: samuel.elias <d838d617616898a9102a976288eaa6f77e3e0c67@cisco.com>

Co-authored-by: samuel.elias <d838d617616898a9102a976288eaa6f77e3e0c67@cisco.com>
VladoLavor/vpp-agent,VladoLavor/vpp-agent,ondrej-fabry/vpp-agent,ondrej-fabry/vpp-agent,ondrej-fabry/vpp-agent,VladoLavor/vpp-agent