diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29881ea..e2e7cb1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Change log
 
+## [1.3.3] - 2023-03-17
+
+### Fixes
+* Fixed an issue where calling `ScheduleFlushSend` before the socket was bound would still result in socket system calls being made, resulting in errors being logged.
+
 ## [1.3.2] - 2023-03-09
 
 ### Fixes
diff --git a/Runtime/NetworkDriver.cs b/Runtime/NetworkDriver.cs
index d31c00c..1dcdd82 100644
--- a/Runtime/NetworkDriver.cs
+++ b/Runtime/NetworkDriver.cs
@@ -899,7 +899,10 @@ public JobHandle ScheduleUpdate(JobHandle dep = default)
         /// <returns>The job handle</returns>
         public JobHandle ScheduleFlushSend(JobHandle dep)
         {
-            return s_NetworkInterfaces[m_NetworkInterfaceIndex].ScheduleSend(m_ParallelSendQueue, dep);
+            if (Bound)
+                return s_NetworkInterfaces[m_NetworkInterfaceIndex].ScheduleSend(m_ParallelSendQueue, dep);
+            else
+                return dep;
         }
 
         void InternalUpdate()
diff --git a/Tests/Runtime/Utilities/SecureTestParameters.cs b/Tests/Runtime/Utilities/SecureTestParameters.cs
index 8fbbeb7..5e62cb8 100644
--- a/Tests/Runtime/Utilities/SecureTestParameters.cs
+++ b/Tests/Runtime/Utilities/SecureTestParameters.cs
@@ -11,123 +11,128 @@ public static class SecureTestParameters
 
         public static FixedString4096Bytes CaCertificate = new FixedString4096Bytes(
 @"-----BEGIN CERTIFICATE-----
-MIIDDzCCAfcCFBU2SZ+6r8bdx36uGkHroQpEmX+lMA0GCSqGSIb3DQEBCwUAMEQx
-CzAJBgNVBAYTAkNBMQ8wDQYDVQQIDAZRdWViZWMxETAPBgNVBAcMCE1vbnRyZWFs
-MREwDwYDVQQKDAhVbml0eSBDQTAeFw0yMjAzMTcwMzQyNDFaFw0zMjAzMTQwMzQy
-NDFaMEQxCzAJBgNVBAYTAkNBMQ8wDQYDVQQIDAZRdWViZWMxETAPBgNVBAcMCE1v
-bnRyZWFsMREwDwYDVQQKDAhVbml0eSBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEP
-ADCCAQoCggEBALv/mWjDrxtKTqKRrNBqZ9an0m60tSSNaXX9BRSOyGuqFmdEdW5v
-YnQDXsn9wGKFF6mgr2ATfgL273Im95aLRvHwhNmEP2c2T6WUq//Pq32nJ8kwiKly
-2ctBdp6QyxgRuKMvFhTFAjzEdwH6GNWdmDjq3BgErKH8JhBnAzV5DAdbnr0pC4es
-0ZAOVw8iyxKWW9U6/pb/Jed6R/ioV6OuGQbaAfGhFO2/lt3RYI4MkUr9pTWIqJwc
-aDL9WxCoTggVNkckQmlMiLe0rYcCqEc+A0MdWblVNKds6HcBxyjMgxsELA4DmQ7C
-4frNN8EtokxbaqjbM/cJNYfQ9IoBsATKaHkCAwEAATANBgkqhkiG9w0BAQsFAAOC
-AQEAB7FwMBsB+pU6VBBGJPrHm70RitGffyDTefDtSOyrNXxdHyoMiSFhb26w/iin
-/jubAZ5I3lvNFawRrDlzlJSxJDjaiHDd29W5UcV+6ij3Te/NJhck+9tXfuy6r95+
-jjgGpm1RvBQq5XhEJh5FMfzXUYZ6NFg+6fLfqbE/hHo2mq+S0AAwR6gwDpr/6UzU
-bARuY+bmrEFjEVFXNkmv4iZDkMQTi8UbmiwsNX3zJBPmSCErKiIPLHXBpzJitmcG
-VYgO3hp/EObkBLHheqUuqLIY6XDvDhVPiJq4VyNGHnhR6GSiXs4ixL6v+UWrCHbh
-ud3r5a40pzFbEWb6Zzrb3+BQZQ==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 -----END CERTIFICATE-----");
 
         public static FixedString4096Bytes Certificate1 = new FixedString4096Bytes(
 @"-----BEGIN CERTIFICATE-----
-MIIDJzCCAg8CFDp7tjqt5Wu9lLe3VHOnx8nIXcI8MA0GCSqGSIb3DQEBCwUAMEQx
+MIIDTTCCAjUCFHcd5ngQA5+I7m+bm4zGTdYPBQ0sMA0GCSqGSIb3DQEBCwUAMGIx
 CzAJBgNVBAYTAkNBMQ8wDQYDVQQIDAZRdWViZWMxETAPBgNVBAcMCE1vbnRyZWFs
-MREwDwYDVQQKDAhVbml0eSBDQTAeFw0yMjAzMTcwMzQ0MjJaFw0yMzAzMTcwMzQ0
-MjJaMFwxCzAJBgNVBAYTAkNBMQ8wDQYDVQQIDAZRdWViZWMxETAPBgNVBAcMCE1v
-bnRyZWFsMRUwEwYDVQQKDAxVbml0eSBTZXJ2ZXIxEjAQBgNVBAMMCTEyNy4wLjAu
-MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAOTUPP4Be094ZVYBR8Sr
-Rt9AJVNF9EbHmn02BasRh6atEioWTRI77zO/Ul1YNd7b4zZczSAlvK5++q5Miqsi
-rzZH4s5BOPl6iueWKKmhC0c8Mnp8uZtbDpAHAHImATb/o+UfZHPg243QQ64x6mSk
-5p7OH4U8uM24cHOnMFxHA/PpEysviWcQseIbK8v4h4X+aL850EyeaXdlz6fEDnvJ
-gwdYDf9KvQCluLLLswCLZ9R4Gy4NeYf8I5Ak8TuTwCpEzx/2EUOtq4cNgS//WGHn
-s9nVgkTYRkWrrIUuFUy0KQxFTC/voZq9FgtG/zN4QPIwAN1HsTMndZ17APV4JdGr
-tgMCAwEAATANBgkqhkiG9w0BAQsFAAOCAQEAYXfzhqmhKpHM5tsf53DQYgDbQgfS
-bivFLCoo4iyUlNcEjoskv9oykDIr2CVGz7uYIgGAddoiTWv8T4GyTN6/xmE6YrO9
-MS/wSLkAFJVqMeHfSWgu8ArZFPOZwc5qZCd211af8E9cyYxop/tGb6Dpa3Qpyj/o
-A9F60aN7YOcvAILlq9zI1hWw3CCboW0BVXX/oHU2DHf17Lr5uMqmfjkKnITK6dqU
-JyQyfBqQRdtLmjUi5NijpJqOISkv4rvDd0ahf9kOetH+AucKnQmbEEgUHIHKy8xx
-IqjWfKWDGIrxnIiCnGBZ8DF/1mVndGsb+ufVdUB1A59CFJxgTXbBaSI7Vw==
+MRswGQYDVQQKDBJVbml0eSBUZWNobm9sb2dpZXMxEjAQBgNVBAMMCTEyNy4wLjAu
+MTAgFw0yMzAzMTcxODE0MzJaGA8zMDIyMDcxODE4MTQzMlowYjELMAkGA1UEBhMC
+Q0ExDzANBgNVBAgMBlF1ZWJlYzERMA8GA1UEBwwITW9udHJlYWwxGzAZBgNVBAoM
+ElVuaXR5IFRlY2hub2xvZ2llczESMBAGA1UEAwwJMTI3LjAuMC4xMIIBIjANBgkq
+hkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqo5HsOVA9cASv5HIUg3tCLPFCdVdgtL7
+tdY6FXqw4b9u84Xe13yY0D84H8Pon+RYR29d0eQuzYJHG54FjWk6xzPzfHh2eLEc
+1xTL705+4prLbc+DjVLY2HChDN5nJibF1Hpxn1I6fCFW7iK8Fd1hgMJSYKvovExB
+oLdxQSFg9OAe+sqnCl4RykPur3liBcWOHfAkhJYuYaflnghtftCu2jxwlb6viPe+
+Ebnn8hXV/vjvkPNJOabKJx0y5LCpG5YfJQVMujsiIVNRPvYUl0DzJkj2qKRsSXT5
+3Wci9mH4sLuBh42HEUpHW4/xJGtCVk4GCjSsvz7KU7ONRZFHh8kGKQIDAQABMA0G
+CSqGSIb3DQEBCwUAA4IBAQAK6CKtw4E1pssoyP4VmRB0F5CzhrGlvCayWJ0i9iRx
+d3569LmdqKYvjm/lv85zrDlFfYyH/b1OIwPyifBM6OjBI7s4CLAIFAzxhHqWsx5N
+k9A+Xa+xtHFMpPprTokPPfkeizt52plBjP9X09a9KSq8PLMtaLsQGmcAXV6hmG71
+8yHGDARquUPZeAnU+3zvZHXttwn48edbZADhrqNk8yQOz4JO7XBPVNZS/VBxIWe5
+8AuVLZx4R6oBkKTrLlajuCMLySyqGqgi/iRbMSlh616+M0TaXChcv+zEm/pG+X4d
+4BPMuR+OHHfHAP0ypkhO7SB/sSNo2dXkCJrETp/R00D8
 -----END CERTIFICATE-----");
 
         public static FixedString4096Bytes PrivateKey1 = new FixedString4096Bytes(
 @"-----BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEA5NQ8/gF7T3hlVgFHxKtG30AlU0X0RseafTYFqxGHpq0SKhZN
-EjvvM79SXVg13tvjNlzNICW8rn76rkyKqyKvNkfizkE4+XqK55YoqaELRzwyeny5
-m1sOkAcAciYBNv+j5R9kc+DbjdBDrjHqZKTmns4fhTy4zbhwc6cwXEcD8+kTKy+J
-ZxCx4hsry/iHhf5ovznQTJ5pd2XPp8QOe8mDB1gN/0q9AKW4ssuzAItn1HgbLg15
-h/wjkCTxO5PAKkTPH/YRQ62rhw2BL/9YYeez2dWCRNhGRaushS4VTLQpDEVML++h
-mr0WC0b/M3hA8jAA3UexMyd1nXsA9Xgl0au2AwIDAQABAoIBABN/QfMijS8oQvoh
-AcxwC4naHVQLEdU2DKO+hp0c0UISXQnY/JghIzB1jL8HVQ+4DJQFNDUZAgqcJx/S
-xb3vJp6pYVnRlNks58jzsmNBpYRcTLDDD8185LDA5/jR5Cibf4t2MUjuT8a1iA6/
-kgkhQ8UkKutfUR+2J16zUBuMsXmGqSUUGbrx/hZsyYXHYjCPhPhMS8yw+XJKGLTo
-Rl4m+kDEpEoVQLg/7KHyfkNIMdJsVQmTC0JaJGpVeJeEdfXSQJ3GkBkRcbP2pQnP
-c0sbna6Kr7RSkFaL4dT7eRZBb9Wtxsmd5iaCqUM4wceLVnfo6geo5QQogXJWQ6eT
-h+5f5oECgYEA+27Q6pywRJzG+sim4GsU7WuTApDu2pfNorQ07zz58jZFLvoBUJwi
-T3BEqN2D+Vh65YBVVVjEBVme0dF0X+pKa0+cSwU5E5nrp6xrSzSQgkEZRpB5zoL2
-TF6E/KNe6Ic3kgAW3m7NnJ5lO8eYtBSRqOFsZbzZKBSYYgy1GRs73r8CgYEA6PxQ
-ASBlJbupSF48A+YFGiSl4dwb1pvyoOTX9SPKx3nVwbz2xf9B51cbM67WDSwenBnp
-EN2M5YbCIzhgxnjRBHRUvLmd6Rl+mDWedB64WXmLKuECkEhiGm0z0inzagEg9f84
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-WL6GYFckcjnM73hAviqtJ8/zHf2LiCMuS30Eyg1webI1xvHTffXF1A==
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+eln0zIU1NzeWNOasMEs1S0hgbc6RpJsvRXI1/IIDdKY/OZCC9OpRysL1INohF9zW
+o5iAnPhh2sgwxqUIXTRnkQKBgGr1MSKtaHCKuu0gAc+CnG6og4b5ywrnts6UQgWT
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+OXgAlPlTp5Rq7zn06meNCa+/ntVdevFSeUNR8AU+5DHYuBGLuyPaW/eKaRCaXrNM
+5ceBAoGBAICeGgiHw6ZfiFY6E11XIiFp2Mql7AglOsf0EecdMuf6v0f5I6+LAXKb
+5aScXGSAx1hKmADkfbllPpKuefKgJswmmCvHVLWWZLxdHZl/PjZ5rrChEt08Mp81
+WUYYLllnPg9Pry+dLnAj73wjbIrAV6mlKl8x94yk8nC0DNK0n4cB
 -----END RSA PRIVATE KEY-----");
 
         public static FixedString4096Bytes Certificate2 = new FixedString4096Bytes(
 @"-----BEGIN CERTIFICATE-----
-MIIDJzCCAg8CFDp7tjqt5Wu9lLe3VHOnx8nIXcI9MA0GCSqGSIb3DQEBCwUAMEQx
+MIIDTTCCAjUCFHcd5ngQA5+I7m+bm4zGTdYPBQ0tMA0GCSqGSIb3DQEBCwUAMGIx
 CzAJBgNVBAYTAkNBMQ8wDQYDVQQIDAZRdWViZWMxETAPBgNVBAcMCE1vbnRyZWFs
-MREwDwYDVQQKDAhVbml0eSBDQTAeFw0yMjAzMTcwMzQ0MzJaFw0yMzAzMTcwMzQ0
-MzJaMFwxCzAJBgNVBAYTAkNBMQ8wDQYDVQQIDAZRdWViZWMxETAPBgNVBAcMCE1v
-bnRyZWFsMRUwEwYDVQQKDAxVbml0eSBTZXJ2ZXIxEjAQBgNVBAMMCTEyNy4wLjAu
-MTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALxkU5z1dLcRIoJ5R/6Z
-CShkqgbYNSS57QCmSNq2Krym/y3o7D8tglVLOAA03eJMjHKryf60jVd9iiakdNeK
-5MZACNl6dDXVyMqavLKWkbr6zG/SltKYn4Muax8GmyLF+GA7y1VQzQzoilW4bQz6
-H2rVeHy6lDMWnxzGVpMZPA+0F8tuqpoHewl1X2JJLTVZ9Esiyo4z8aIDb9iW2Ru0
-1IBlAxp3omlLLyPO8LKrG/KGq1+dbXyVMZW2yNj7e/vKmQo+Thx7m27ivBYESijM
-5zpCUYibg6JAE0tc1iLgj3nPvyl2AEQxNWn0g91b0iKR7kvor/saYQ5DDeoHgLt6
-Z8MCAwEAATANBgkqhkiG9w0BAQsFAAOCAQEAUw4FH69SkW94hHxua/4/fVmGxdZb
-ulAPAvLVKo4d0A4UdP2BV0G+9SezbZ+haGKQrPjrE8dfsC/q82Rz45aqyUNk9IVR
-r4cHAVNw+aJQjB/JM2O5dxVE15mn9onoPm8exzNJnVBCER0ctNMjDqhvxRHMqZxO
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+mUBlDWm8eI+dsjlu/Us3iIt0RMxO58Xk0/tV/QIQN3CvUcAXYsqtoQIDAQABMA0G
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+RxxeK2Q5aTPneCbL5jL9DSuw7MjuiSjd+RJ0oFlr1JBR3PmgLItbe1c/zYv/1Sqx
+le/zhLSP3HUQgi4K4EWMRT4OFNX+keK4bekVJtrwHEBj+atxFWI2R467c9v3jhmi
+WAfnkwJqii/FecvwCorvQAj0pEZrpwpPt+ECHF7KVCUbl5RX1D8Wj/38JVUZbnf0
+tvZRSUTpP9sr+WjUiCGGnUw7BiPFEgfGTfDaVed+H7yN
 -----END CERTIFICATE-----");
 
         public static FixedString4096Bytes PrivateKey2 = new FixedString4096Bytes(
 @"-----BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEAvGRTnPV0txEignlH/pkJKGSqBtg1JLntAKZI2rYqvKb/Lejs
-Py2CVUs4ADTd4kyMcqvJ/rSNV32KJqR014rkxkAI2Xp0NdXIypq8spaRuvrMb9KW
-0pifgy5rHwabIsX4YDvLVVDNDOiKVbhtDPofatV4fLqUMxafHMZWkxk8D7QXy26q
-mgd7CXVfYkktNVn0SyLKjjPxogNv2JbZG7TUgGUDGneiaUsvI87wsqsb8oarX51t
-fJUxlbbI2Pt7+8qZCj5OHHubbuK8FgRKKMznOkJRiJuDokATS1zWIuCPec+/KXYA
-RDE1afSD3VvSIpHuS+iv+xphDkMN6geAu3pnwwIDAQABAoIBAG+1mfLvhXbsPSda
-3Tr16f0+u6d1WwXdDdEdyQOPk4XsDFJf1H6d8LO894b/0jZXJ8zzWsKis1EWyu2h
-BPuui3uXCuhSeUhW7UpeONg4+k8CWmlQWUilYai6xKBQHXugImiF7Es5r20hEq5D
-vr48Lpb94AUt6aTlnBHG9h0hkIDKR+/FlCJ5Z/W2phtx0SUumnc180ZbmycJlFe2
-VktCYI3qiEzK2rsBc/Hen116iDP6E45dZ2Wkj+AXbg/stwEJrrZop0aEuaMBTwBB
-yh7RPOWv9Omj+692C6ypiXKSw0nmbfBgs+JSVt00TKEnPvEpIbmFws2jh6uiTKIH
-vcWRcPkCgYEA4RV39IfRbhU8Dk4v51zFF/aHf6D9Dxp+jiH2vnHaGoNIgUYIpEWP
-iNoA86z8uf0A79s+pkXilV5OARHStNr9z4LVlc/5cj6NcycXK+Th0uwk9ZaUTbRk
-btwPwJbGSUdebex9n5JiLdREalUwSAvgC39pyjpvOD4fPpLgO9cg3kcCgYEA1kSs
-dpRl36MiIt2y7/113lCIYhR2x/NpiL1Va7MyoDdWonFa9onW3PntLdQz2WHJlnBz
-G+juezi2LUbu+OfQFtjGxdyPH82ja498mz9beM/2pYZXdwtg8p48eeUqVDzGGb7i
-4yX1oALc4GojW2SojVV0dDnnfIiV9TDFjNv5vKUCgYEA1MLTYe0kdXdTDn6v33Yc
-xDr/+A+4RZeYu0e1km3Saa9hUPlfX9B1DjpsHeqN9k0GnrPS858pwGGlQHOVhelf
-c9DLjlJKC8i/MnNn/tDa+eLISPEufIkhSn1v0m9zPX9d7nBWiwj3DzUP+qdN/Txk
-atnkqQk1aqemJyL1HPuMkS8CgYAJSq0X71ODoTVnwaly0tD7tQ5VAoIsJZgb/+nm
-Y7z8SaoOHVBOhKe2qXfpltwwvxbY2UOEoFNHMKxlxj+yt4rEkt370pa6UFaX4X8L
-1HGJCauufebpGKs5mjcRKijtwjzs/OQl6Y1/ROCDMtcZrYHJrzz/lUs+kUW/fj/y
-3c80qQKBgQCPDk8kJImFHKGsm99Z1SA1oV6/aoNDiCGBuaMVbgIZJjoGWTGv8h4P
-ssL8RLkruyKw/qzZ3iZhLpM/vbiQ2YFS4uNAPGpib19Wv+mNTUo5q9LHm/7fuQfc
-OdGlPz3iWjcykylZskqzt+74Yn7EBYNTEPPU5csv2ZU4298Zo7N8Pw==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 -----END RSA PRIVATE KEY-----");
     }
 }
diff --git a/ValidationExceptions.json b/ValidationExceptions.json
index 35a3c23..cb627b4 100644
--- a/ValidationExceptions.json
+++ b/ValidationExceptions.json
@@ -3,27 +3,27 @@
         {
             "ValidationTest": "Restricted File Type Validation",
             "ExceptionMessage": "/Samples~/CustomNetworkInterface/Scripts/network.bindings~/build.bat cannot be included in a package.",
-            "PackageVersion": "1.3.2"
+            "PackageVersion": "1.3.3"
         },
         {
             "ValidationTest": "Restricted File Type Validation",
             "ExceptionMessage": "/Samples~/CustomNetworkInterface/Scripts/network.bindings~/shell.bat cannot be included in a package.",
-            "PackageVersion": "1.3.2"
+            "PackageVersion": "1.3.3"
         },
         {
             "ValidationTest": "API Validation",
             "ExceptionMessage": "Additions require a new minor or major version.",
-            "PackageVersion": "1.3.2"
+            "PackageVersion": "1.3.3"
         },
         {
             "ValidationTest": "API Validation",
             "ExceptionMessage": "New assembly \"Unity.Networking.Transport.RuntimeTests\" may only be added in a new minor or major version.",
-            "PackageVersion": "1.3.2"
+            "PackageVersion": "1.3.3"
         },
         {
             "ValidationTest": "API Validation",
             "ExceptionMessage": "New assembly \"Unity.Networking.Transport.EditorTests\" may only be added in a new minor or major version.",
-            "PackageVersion": "1.3.2"
+            "PackageVersion": "1.3.3"
         }
     ],
     "WarningExceptions": []
diff --git a/package.json b/package.json
index 9b79fbd..0b4d29a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "com.unity.transport",
   "displayName": "Unity Transport",
-  "version": "1.3.2",
+  "version": "1.3.3",
   "unity": "2020.3",
   "unityRelease": "0f1",
   "description": "Unity network transport layer - the low-level interface for sending UDP data",
@@ -11,16 +11,16 @@
     "com.unity.mathematics": "1.2.6"
   },
   "_upm": {
-    "changelog": "### Fixes\n* Fixed issue where UWP Xbox builds were crashing because the split buffer fix was not including UWP defines.\n* Fixed an issue where `IPCNetworkInterface` would perform useless work for each packet received.\n* Fixed an issue where `ReliableSequencedPipelineStage` could end up duplicating packets when sending reliable packets while the send queue is full."
+    "changelog": "### Fixes\n* Fixed an issue where calling `ScheduleFlushSend` before the socket was bound would still result in socket system calls being made, resulting in errors being logged."
   },
   "upmCi": {
-    "footprint": "98182eeaea2fd3b091f4a2b16b9c9471598db23b"
+    "footprint": "45bfeaef19c4c8984cb161a101b0d5d39c3e154d"
   },
   "documentationUrl": "https://docs.unity3d.com/Packages/com.unity.transport@1.3/manual/index.html",
   "repository": {
     "url": "https://github.cds.internal.unity3d.com/unity/com.unity.transport.git",
     "type": "git",
-    "revision": "21ae74bd7af3124f937100ff2cf8d2130fcd9307"
+    "revision": "705fec881f66f56109ff57cc62cf2fba6b87e73d"
   },
   "samples": [
     {