message: Drop incompatible distros, fix noexcept build
diff: #include "caf/detail/net_export.hpp"
  #include "caf/error.hpp"
  #include "caf/net/host.hpp"
  +#include "caf/raise_error.hpp"
  namespace {
  struct CAF_NET_EXPORT host_fixture {
  host_fixture() {
  if (auto err = caf::net::this_host::startup())
  - throw std::logic_error("this_host::startup failed");
  + CAF_RAISE_ERROR(std::logic_error, "this_host::startup failed");
  }
  ~host_fixture() {
  