diff --git a/python/scripts/generate_enums.py b/python/scripts/generate_enums.py
index e43f45adf..7abb7cfc1 100644
--- a/python/scripts/generate_enums.py
+++ b/python/scripts/generate_enums.py
@@ -11,14 +11,29 @@ import subprocess
 
 from parse import remove_comments
 
+allow_bitwise_op = ["EthernetInterface"]
+
+op_key = {"operator|": "__or__", 
+          "operator&" : "__and__"}
+
 def single_line_enum(line):
     sub = line[line.find('{')+1:line.find('}')]
     return sub.strip().split(',')
 
 def extract_enums(lines):
+
+    # deal with enum class EthernetInterface : int32_t
+    # and normal enum burstMode {
+
     line_iter = iter(lines)
     enums = {}
     for line in line_iter:
+        #Hack away class enum defs
+        if "class" in line:
+            line = line.replace("class", "")
+            line = line.replace(line[line.find(':'):line.find('{')], "")
+            line = line.replace("  ", " ")
+
         m = re.search("(?<=enum )\w+(?= {)", line)
         if m:
             enum_name = m.group()
@@ -44,25 +59,80 @@ def extract_enums(lines):
                         pass
             fields = [f.strip() for f in fields]
             enums[enum_name] = fields
+
+
+    #Loop again to find operators
+    for key in enums:
+        for line in lines:
+            if key in line and "operator" in line:
+                pos = line.find("operator")
+                op_type = line[pos:pos+9]
+                enums[key].append(op_type)
     return enums
 
+
 def generate_enum_string(enums):
     data = []
     for key, value in enums.items():
-        data.append(f'py::enum_<slsDetectorDefs::{key}>(Defs, "{key}")\n')
+        if key in allow_bitwise_op:
+            tag=", py::arithmetic()"
+        else:
+            tag=""
+        data.append(f'py::enum_<slsDetectorDefs::{key}>(Defs, "{key}"{tag})\n')
+        operators = []
         for v in value:
-            data.append(f'\t.value("{v}", slsDetectorDefs::{key}::{v})\n')
-        data.append('.export_values();\n\n')
+            if "operator" not in v:
+                data.append(f'\t.value("{v}", slsDetectorDefs::{key}::{v})\n')
+            else:
+                operators.append(v)
+        data.append('\t.export_values()')
+
+        #Here add the operators 
+        for op in operators:
+            data.append(f"\n\t.def(\"{op_key[op]}\", py::overload_cast< const slsDetectorDefs::EthernetInterface&,  const slsDetectorDefs::EthernetInterface&>(&{op}))")
+
+
+        data.append(';\n\n')
     return ''.join(data)
 
+
+def remove_ifdefs(lines):
+    """Keeps C++ version of the code"""
+    out = []
+    it = iter(lines)
+    skip = False
+    for line in it:
+        
+        if "#ifdef __cplusplus" in line:
+            line = next(it)
+
+        if "#else" in line:
+            skip = True
+
+        if "#endif" in line:
+            skip = False
+
+        if not skip and "#endif" not in line:    
+            out.append(line)
+    return out
+    
+
 with open('../../slsSupportLib/include/sls/sls_detector_defs.h') as f:
     data = f.read()
 
 data = remove_comments(data)
 data = data.splitlines()
+data = remove_ifdefs(data)
 enums = extract_enums(data)
+
+
 s = generate_enum_string(enums)
 
+# print(s)
+# for i, line in enumerate(data):
+#     print(i, line)
+
+
 with open('../src/enums_in.cpp') as f:
     data = f.read()
 
diff --git a/python/slsdet/detector.py b/python/slsdet/detector.py
index 3ce05c94c..689c49911 100755
--- a/python/slsdet/detector.py
+++ b/python/slsdet/detector.py
@@ -2332,6 +2332,18 @@ class Detector(CppDetectorApi):
         ut.set_using_dict(self.setVetoReference, *args)
 
 
+    @property
+    @element
+    def vetostream(self):
+        return self.getVetoStream()
+
+    @vetostream.setter
+    def vetostream(self, args):
+        if not isinstance(args, tuple):
+            args = (args,)
+        ut.set_using_dict(self.setVetoStream, *args)
+
+
     """
     Mythen3 specific
     """
diff --git a/python/src/detector.cpp b/python/src/detector.cpp
index 444248d8b..6ebae6255 100644
--- a/python/src/detector.cpp
+++ b/python/src/detector.cpp
@@ -1074,6 +1074,16 @@ void init_det(py::module &m) {
              (void (Detector::*)(const bool, sls::Positions)) &
                  Detector::setVeto,
              py::arg(), py::arg() = Positions{})
+        .def("getVetoStream",
+             (Result<defs::EthernetInterface>(Detector::*)(sls::Positions)
+                  const) &
+                 Detector::getVetoStream,
+             py::arg() = Positions{})
+        .def("setVetoStream",
+             (void (Detector::*)(const defs::EthernetInterface,
+                                 sls::Positions)) &
+                 Detector::setVetoStream,
+             py::arg(), py::arg() = Positions{})
         .def("getADCConfiguration",
              (Result<int>(Detector::*)(const int, const int, sls::Positions)
                   const) &
diff --git a/python/src/enums.cpp b/python/src/enums.cpp
index 92391065d..7e2093224 100644
--- a/python/src/enums.cpp
+++ b/python/src/enums.cpp
@@ -277,4 +277,20 @@ void init_enums(py::module &m) {
         .value("TIMING_EXTERNAL",
                slsDetectorDefs::timingSourceType::TIMING_EXTERNAL)
         .export_values();
+
+    py::enum_<slsDetectorDefs::EthernetInterface>(Defs, "EthernetInterface",
+                                                  py::arithmetic())
+        .value("NONE", slsDetectorDefs::EthernetInterface::NONE)
+        .value("I3GBE", slsDetectorDefs::EthernetInterface::I3GBE)
+        .value("I10GBE", slsDetectorDefs::EthernetInterface::I10GBE)
+        .value("ALL", slsDetectorDefs::EthernetInterface::ALL)
+        .export_values()
+        .def("__or__",
+             py::overload_cast<const slsDetectorDefs::EthernetInterface &,
+                               const slsDetectorDefs::EthernetInterface &>(
+                 &operator|))
+        .def("__and__",
+             py::overload_cast<const slsDetectorDefs::EthernetInterface &,
+                               const slsDetectorDefs::EthernetInterface &>(
+                 &operator&));
 }
diff --git a/slsDetectorSoftware/src/Detector.cpp b/slsDetectorSoftware/src/Detector.cpp
index 114ac15e3..0106f2f1c 100644
--- a/slsDetectorSoftware/src/Detector.cpp
+++ b/slsDetectorSoftware/src/Detector.cpp
@@ -1584,13 +1584,13 @@ Result<defs::EthernetInterface> Detector::getVetoStream(Positions pos) const {
 
 void Detector::setVetoStream(defs::EthernetInterface interface, Positions pos) {
     // 3gbe
-    bool i3gbe = (interface & defs::EthernetInterface::I3GBE);
+    bool i3gbe = (interface & defs::EthernetInterface::I3GBE) == defs::EthernetInterface::I3GBE;
     pimpl->Parallel(&Module::setVetoStream, pos, i3gbe);
 
     // 10gbe (debugging interface) opens 2nd udp interface in receiver
     int old_numinterfaces = getNumberofUDPInterfaces_(pos).tsquash(
         "retrieved inconsistent number of udp interfaces");
-    int numinterfaces = (interface & defs::EthernetInterface::I10GBE) ? 2 : 1;
+    int numinterfaces = ((interface & defs::EthernetInterface::I10GBE) == defs::EthernetInterface::I3GBE) ? 2 : 1;
     if (numinterfaces != old_numinterfaces) {
         setNumberofUDPInterfaces_(numinterfaces, pos);
     }
diff --git a/slsSupportLib/include/sls/sls_detector_defs.h b/slsSupportLib/include/sls/sls_detector_defs.h
index c6a48a34b..13d7f89e2 100644
--- a/slsSupportLib/include/sls/sls_detector_defs.h
+++ b/slsSupportLib/include/sls/sls_detector_defs.h
@@ -395,7 +395,7 @@ typedef struct {
     enum timingSourceType { TIMING_INTERNAL, TIMING_EXTERNAL };
 
 #ifdef __cplusplus
-    enum class EthernetInterface : int32_t {
+    enum class EthernetInterface {
 #else
     enum EthernetInterface {
 #endif
@@ -497,15 +497,15 @@ typedef struct {
 #ifdef __cplusplus
 };
 inline slsDetectorDefs::EthernetInterface
-operator|(const slsDetectorDefs::EthernetInterface &a,
-          const slsDetectorDefs::EthernetInterface &b) {
+operator|( const slsDetectorDefs::EthernetInterface &a,
+           const slsDetectorDefs::EthernetInterface &b) {
     return slsDetectorDefs::EthernetInterface(static_cast<int32_t>(a) |
                                               static_cast<int32_t>(b));
 };
 
-inline bool operator&(const slsDetectorDefs::EthernetInterface &a,
-                      const slsDetectorDefs::EthernetInterface &b) {
-    return (static_cast<int32_t>(a) & static_cast<int32_t>(b));
+inline slsDetectorDefs::EthernetInterface operator&( const slsDetectorDefs::EthernetInterface &a,
+                       const slsDetectorDefs::EthernetInterface &b) {
+    return slsDetectorDefs::EthernetInterface(static_cast<int32_t>(a) & static_cast<int32_t>(b));
 };
 #endif
 
@@ -653,3 +653,4 @@ using Positions = const std::vector<int> &;
 using defs = slsDetectorDefs;
 } // namespace sls
 #endif
+
diff --git a/slsSupportLib/src/ToString.cpp b/slsSupportLib/src/ToString.cpp
index ac046d8f1..4db40a60b 100644
--- a/slsSupportLib/src/ToString.cpp
+++ b/slsSupportLib/src/ToString.cpp
@@ -526,9 +526,9 @@ std::string ToString(const defs::EthernetInterface s) {
     case defs::EthernetInterface::NONE:
         return std::string("none");
     default:
-        if (s & defs::EthernetInterface::I3GBE)
+        if ((s & defs::EthernetInterface::I3GBE)!=defs::EthernetInterface::NONE)
             os << "3gbe, ";
-        if (s & defs::EthernetInterface::I10GBE)
+        if ((s & defs::EthernetInterface::I10GBE)!=defs::EthernetInterface::NONE)
             os << "10gbe, ";
         auto rs = os.str();
         rs.erase(rs.end() - 2, rs.end());
diff --git a/slsSupportLib/tests/test-Sockets.cpp b/slsSupportLib/tests/test-Sockets.cpp
index ef1dc6696..7a114b056 100644
--- a/slsSupportLib/tests/test-Sockets.cpp
+++ b/slsSupportLib/tests/test-Sockets.cpp
@@ -4,6 +4,7 @@
 #include <chrono>
 #include <future>
 #include <iostream>
+#include <thread>
 
 std::vector<char> server() {
     std::cout << "starting server\n";
diff --git a/slsSupportLib/tests/test-ToString.cpp b/slsSupportLib/tests/test-ToString.cpp
index 46a95f33a..e372f9336 100644
--- a/slsSupportLib/tests/test-ToString.cpp
+++ b/slsSupportLib/tests/test-ToString.cpp
@@ -1,10 +1,10 @@
 #include "catch.hpp"
+#include "sls/Pattern.h"
 #include "sls/TimeHelper.h"
 #include "sls/ToString.h"
-#include "sls/network_utils.h"
-#include "sls/Pattern.h"
-#include "sls/sls_detector_defs.h"
 #include "sls/container_utils.h"
+#include "sls/network_utils.h"
+#include "sls/sls_detector_defs.h"
 #include <array>
 #include <map>
 #include <sstream>
@@ -302,25 +302,32 @@ TEST_CASE("Streaming of slsDetectorDefs::scanParameters") {
     }
 }
 
-TEST_CASE("Printing c style arrays of int"){
+TEST_CASE("Printing c style arrays of int") {
     int arr[]{3, 5};
     REQUIRE(ToString(arr) == "[3, 5]");
 }
 
-TEST_CASE("Printing c style arrays of uint8"){
-    uint8_t arr[]{1,2,3,4,5};
+TEST_CASE("Printing c style arrays of uint8") {
+    uint8_t arr[]{1, 2, 3, 4, 5};
     REQUIRE(ToString(arr) == "[1, 2, 3, 4, 5]");
 }
 
-TEST_CASE("Printing c style arrays of double"){
+TEST_CASE("Printing c style arrays of double") {
     double arr[]{3.4, 5.3, 6.2};
     REQUIRE(ToString(arr) == "[3.4, 5.3, 6.2]");
 }
 
-TEST_CASE("Print a member of patternParameters"){
+TEST_CASE("Print a member of patternParameters") {
     auto pat = sls::make_unique<sls::patternParameters>();
     pat->limits[0] = 4;
     pat->limits[1] = 100;
     REQUIRE(ToString(pat->limits) == "[4, 100]");
+}
 
+TEST_CASE("EthernetInterface") {
+    REQUIRE(ToString(sls::defs::EthernetInterface::NONE) == "none");
+    REQUIRE(ToString(sls::defs::EthernetInterface::I10GBE) == "10gbe");
+    REQUIRE(ToString(sls::defs::EthernetInterface::I3GBE) == "3gbe");
+    REQUIRE(ToString(sls::defs::EthernetInterface::I3GBE |
+                     sls::defs::EthernetInterface::I10GBE) == "3gbe, 10gbe");
 }
\ No newline at end of file