Not sending random data to gNB, sending IP

The IP traffic still does not work. But we are
updating the NR UE scheduler to ensure we are are
sending true IP traffic. Also, we were getting an
assert(); as well, and there was no logs, so we
fix that in this commit as well.

executables/nr-softmodem.c

@@ -710,7 +710,7 @@ int main( int argc, char **argv )
 
 
 #ifdef PDCP_USE_NETLINK
-if(!IS_SOFTMODEM_NOS1)
+if(IS_SOFTMODEM_NOS1)
   netlink_init();
 #if defined(PDCP_USE_NETLINK_QUEUES)
   pdcp_netlink_init();