Fix IPv6 detection (#1355)
Fix IPv6 detection (#1355)

Signed-off-by: Ondrej Fabry <237151fbd58e417e6d72d788598ce96c14d7b9e5@cisco.com>
VladoLavor/vpp-agent,ondrej-fabry/vpp-agent,ondrej-fabry/vpp-agent,VladoLavor/vpp-agent,VladoLavor/vpp-agent,ondrej-fabry/vpp-agent