message: [dua] increase number of supported DUA registrations
  Increase ancillary buffer size to allow for a larger number of
  multicast groups.
  Required for NdProxyManager::JoinSolicitedNodeMulticastGroup
diff: @@ -44,4 +44,13 @@ rt_tables_install()
  rt_tables_uninstall
  sudo sh -c 'echo "88 openthread" >>/etc/iproute2/rt_tables'
  +
  + # Increase ancillary buffer size to allow for a larger number of multicast groups
  + # Required for NdProxyManager::JoinSolicitedNodeMulticastGroup
  + if without DOCKER; then
  + sudo sh -c 'echo "" >>/etc/sysctl.conf'
  + sudo sh -c 'echo "# OpenThread configuration" >>/etc/sysctl.conf'
  + sudo sh -c 'echo "net.core.optmem_max=65536" >>/etc/sysctl.conf'
  + sudo sh -c 'sysctl -p /etc/sysctl.conf'
  + fi
  }
  