diff --git a/doc/plan.org b/doc/plan.org
index 6a78912..f69435e 100644
--- a/doc/plan.org
+++ b/doc/plan.org
@@ -427,7 +427,7 @@
 |            | - Delta diff in P4 from v4 -> v6: checksum working                         |       |
 |            | - Investigating why NDP doesn't work                                       |       |
 |            |                                                                            |       |
-|            | - compile to netpfga: open impl error                                      |       |
+|            | - compile to netpfga: silent errors                         |       |
 |            | - netpfga: icmp6/ndp might not work                                        |       |
 |            |                                                                            |       |
 |            |                                                                            |       |
@@ -4980,7 +4980,7 @@ else:
     - Checksums match, but we only update it using
       HashAlgorithm.csum16
 
-*** 2019-07-10:
+*** 2019-07-10: hacking
     To be finished today:
     - delta on bmv2
     - general compile on netpfga [no license server]
@@ -4997,6 +4997,66 @@ Using
 
 --> gateway not reachable! -> need to verify neighbor discovery
 
+*** 2019-07-11: again silent errors
+
+End of log file
+
+#+BEGIN_CENTER
+nico@nsg-System:~/master-thesis/netpfga$ less $P4_PROJECT_DIR/nf_sume_sdnet_ip/SimpleSumeSwitch/LOG
+[2830534]  INFO: finished packet stimulus file
+[4301612]  INFO: packet 1 tuple OK < tuple_out_digest_data, tuple_out_standard_metadata > = < 0000000000000000000000000000000000000000000000000000000000000000 00000000000000000000000001010000 >
+[4301612]  INFO: packet 1  data OK (tlast, tkeep, tdata) = (0, ffffffff, 0000000000000000000000000000000000000000081111111108082222222208)
+[4304944]  INFO: packet 1  data OK (tlast, tkeep, tdata) = (1, ffffffff, 0000000000000000000000000000000000000000000000000000000000000000)
+[7640276]  INFO: stopping simulation after 1000 idle cycles
+[7640276]  INFO: all expected data successfully received
+[7640276]  INFO: TEST PASSED
+$finish called at time : 7640276 ps : File "/home/nico/master-thesis/netpfga/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/Testbench/SimpleSumeSwitch_tb.sv" Line 207
+exit
+INFO: [Common 17-206] Exiting xsim at Thu Jul 11 08:52:29 2019...
+
+#+END_CENTER
+
+BUT
+
+#+BEGIN_CENTER
+nico@nsg-System:~/master-thesis/netpfga$ grep -i error $P4_PROJECT_DIR/nf_sume_sdnet_ip/SimpleSumeSwitch/LOG
+ERROR: [VRFC 10-1491] unexpected EOF [/home/nico/master-thesis/netpfga/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/S_CONTROLLERs.HDL/S_CONTROLLER_SimpleSumeSwitch.vp:37]
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_0_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_1_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_2_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_3_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_4_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_5_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_6_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_7_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_8_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_9_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_10_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_11_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopDeparser_t_EngineStage_12_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopParser_t_EngineStage_0_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopParser_t_EngineStage_1_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopParser_t_EngineStage_2_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopParser_t_EngineStage_3_ErrorCheck
+INFO: [VRFC 10-311] analyzing module TopParser_t_EngineStage_4_ErrorCheck
+Compiling module work.TopParser_t_EngineStage_0_ErrorC...
+Compiling module work.TopParser_t_EngineStage_1_ErrorC...
+Compiling module work.TopParser_t_EngineStage_2_ErrorC...
+Compiling module work.TopParser_t_EngineStage_3_ErrorC...
+Compiling module work.TopParser_t_EngineStage_4_ErrorC...
+nico@nsg-System:~/master-thesis/netpfga$
+
+#+END_CENTER
+
+Another generated file problem:
+
+#+BEGIN_CENTER
+nico@nsg-System:~/master-thesis/netpfga$ ls -alh /home/nico/master-thesis/netpfga/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/S_CONTROLLERs.HDL/S_CONTROLLER_SimpleSumeSwitch.vp
+-rw-rw-r-- 1 nico nico 5.6K Jul 11 08:51 /home/nico/master-thesis/netpfga/minip4/nf_sume_sdnet_ip/SimpleSumeSwitch/S_CONTROLLERs.HDL/S_CONTROLLER_SimpleSumeSwitch.vp
+nico@nsg-System:~/master-thesis/netpfga$ date
+Don Jul 11 10:54:22 CEST 2019
+
+#+END_CENTER
 ** References / Follow up
 *** RFC 791 IPv4 https://tools.ietf.org/html/rfc791
 *** RFC 792 ICMP https://tools.ietf.org/html/rfc792