diff --git a/tests/test-http-api-httpv2.t b/tests/test-http-api-httpv2.t
--- a/tests/test-http-api-httpv2.t
+++ b/tests/test-http-api-httpv2.t
@@ -18,6 +18,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     GET /api/exp-http-v2-0003 HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     user-agent: test\r\n
@@ -46,6 +47,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/badcommand HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     user-agent: test\r\n
@@ -67,6 +69,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     GET /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     user-agent: test\r\n
@@ -88,6 +91,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     user-agent: test\r\n
@@ -110,6 +114,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: invalid\r\n
@@ -134,6 +139,7 @@
   >     content-type: badmedia
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -160,6 +166,7 @@
   >     frame 1 1 stream-begin command-request new cbor:{b'name': b'customreadonly'}
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     *\r\n (glob)
@@ -196,6 +203,7 @@
   > EOF
   creating http peer for wire protocol version 2
   sending customreadonly command
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -243,6 +251,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     GET /api/exp-http-v2-0003/rw/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     user-agent: test\r\n
@@ -264,6 +273,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     GET /api/exp-http-v2-0003/rw/badcommand HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     user-agent: test\r\n
@@ -285,6 +295,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/rw/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     user-agent: test\r\n
@@ -323,6 +334,7 @@
   >     frame 1 1 stream-begin command-request new cbor:{b'name': b'customreadonly'}
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/rw/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -362,6 +374,7 @@
   >     accept: $MEDIATYPE
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/rw/badcommand HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -384,6 +397,7 @@
   >     user-agent: test
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/debugreflect HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     user-agent: test\r\n
@@ -424,6 +438,7 @@
   >     frame 1 1 stream-begin command-request new cbor:{b'name': b'command1', b'args': {b'foo': b'val1', b'bar1': b'val'}}
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/debugreflect HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -455,6 +470,7 @@
   >     frame 1 1 stream-begin command-request new cbor:{b'name': b'customreadonly'}
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/customreadonly HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -497,6 +513,7 @@
   >     frame 3 1 0 command-request new cbor:{b'name': b'customreadonly'}
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/multirequest HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     *\r\n (glob)
@@ -550,6 +567,7 @@
   >     frame 1 1 0 command-request continuation IbookmarksDnameHlistkeys
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/multirequest HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -615,6 +633,7 @@
   >     frame 1 1 stream-begin command-request new cbor:{b'name': b'pushkey'}
   > EOF
   using raw connection to peer
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/multirequest HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -641,6 +660,7 @@
   creating http peer for wire protocol version 2
   sending heads command
   wire protocol version 2 encoder referenced in config (badencoder) is not known; ignoring
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/heads HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n
@@ -686,6 +706,7 @@
   > EOF
   creating http peer for wire protocol version 2
   sending heads command
+  s> setsockopt(6, 1, 1) -> None (py3 !)
   s>     POST /api/exp-http-v2-0003/ro/heads HTTP/1.1\r\n
   s>     Accept-Encoding: identity\r\n
   s>     accept: application/mercurial-exp-framing-0006\r\n