diff --git a/build-aux/knet_valgrind_memcheck.supp b/build-aux/knet_valgrind_memcheck.supp
index a34ab934..92eabbac 100644
--- a/build-aux/knet_valgrind_memcheck.supp
+++ b/build-aux/knet_valgrind_memcheck.supp
@@ -1,614 +1,729 @@
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:lzma_stream_header_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_crc32
    fun:lzma_stream_header_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:lzma_crc32
    fun:lzma_stream_header_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:lzma_block_header_encode
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:is_overlap
    fun:memcpy@@GLIBC_2.14
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:memcpy@@GLIBC_2.14
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:memcpy@@GLIBC_2.14
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:lzma_vli_encode
    fun:lzma_filter_flags_encode
    fun:lzma_block_header_encode
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_filter_flags_encode
    fun:lzma_block_header_encode
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:memset
    fun:lzma_block_header_encode
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:memset
    fun:lzma_block_header_encode
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_block_unpadded_size
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_index_append
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_vli_size
    fun:lzma_index_append
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_index_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_index_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_index_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_vli_encode
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_index_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:lzma_vli_encode
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_index_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_crc32
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_index_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:lzma_crc32
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_index_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:lzma_stream_footer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Value8
    fun:lzma_crc32
    fun:lzma_stream_footer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    fun:lzma_crc32
    fun:lzma_stream_footer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
    fun:clone
 }
 {
    lzma internal stuff
    Memcheck:Cond
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    obj:/usr/lib64/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
 }
 {
    lzma internal stuff (Debian Unstable)
    Memcheck:Cond
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
 }
 {
    lzma internal stuff (Debian Experimental)
    Memcheck:Cond
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    obj:*/libknet/.libs/compress_lzma.so
    obj:*
 }
 {
    lzma internal stuff (Debian / Ubuntu)
    Memcheck:Cond
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    obj:/lib/x86_64-linux-gnu/liblzma.so.5.2.2
    fun:lzma_block_buffer_encode
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:compress_lib_test
    fun:compress_cfg
    fun:knet_handle_compress
    fun:test
 }
 {
    lzma internal stuff (Ubuntu 17.10 i386)
    Memcheck:Cond
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
    fun:start_thread
 }
 {
    lzma internal stuff (Ubuntu 17.10 i386)
    Memcheck:Cond
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:compress
    fun:_parse_recv_from_sock
    fun:_handle_send_to_links
    fun:_handle_send_to_links_thread
 }
 {
    lzma internal stuff (Ubuntu 17.10 i386)
    Memcheck:Cond
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    obj:/lib/i386-linux-gnu/liblzma.so.5.2.2
    fun:lzma_stream_buffer_encode
    fun:lzma_easy_buffer_encode
    fun:lzma_compress
    fun:compress_lib_test
    fun:compress_cfg
    fun:knet_handle_compress
 }
 {
    nss internal leak (3.38+) non recurring
    Memcheck:Leak
    match-leak-kinds: definite
    fun:malloc
    obj:*
    obj:*
    obj:*
    obj:*
    obj:*
    fun:init_nss
    fun:nsscrypto_init
    fun:crypto_init
    fun:knet_handle_crypto
    fun:test
    fun:main
 }
 {
    nss internal leak (3.38+) non recurring
    Memcheck:Leak
    match-leak-kinds: definite
    fun:calloc
    obj:*
    obj:*
    obj:*
    obj:*
    obj:*
    fun:init_nss
    fun:nsscrypto_init
    fun:crypto_init
    fun:knet_handle_crypto
    fun:test
    fun:main
 }
 {
    nss internal leak (3.38+) non recurring
    Memcheck:Addr8
    obj:/usr/lib64/libp11-kit.so.0.3.0
    obj:/usr/lib64/libp11-kit.so.0.3.0
    fun:_dl_close_worker
    fun:_dl_close
    fun:_dl_catch_exception
    fun:_dl_catch_error
    fun:_dlerror_run
    fun:dlclose
    fun:PR_UnloadLibrary
    obj:/usr/lib64/libnss3.so
    obj:/usr/lib64/libnss3.so
    obj:/usr/lib64/libnss3.so
 }
 {
    nss internal leak (3.41) non recurring (spotted on f29)
    Memcheck:Leak
    match-leak-kinds: definite
    fun:malloc
    obj:*
    obj:*
    obj:*
    obj:*
    obj:*
    obj:*
    obj:*
    obj:*
    obj:*
    obj:*
    obj:/usr/lib64/libnss3.so
 }
 {
    arm internal memory leak
    Memcheck:Leak
    match-leak-kinds: definite
    fun:malloc
    fun:dl_open_worker
 }
+{
+   openssl 1.1.1c missing fix from master
+   Memcheck:Cond
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:RAND_DRBG_generate
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:RAND_DRBG_instantiate
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:RAND_DRBG_get0_public
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:encrypt_openssl
+   fun:opensslcrypto_encrypt_and_signv
+   fun:opensslcrypto_encrypt_and_sign
+   fun:_handle_check_each
+   fun:_send_pings
+   fun:_handle_heartbt_thread
+   fun:start_thread
+}
+{
+   openssl 1.1.1c missing fix from master
+   Memcheck:Cond
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:RAND_DRBG_generate
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:RAND_DRBG_instantiate
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:RAND_DRBG_get0_public
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:encrypt_openssl
+   fun:opensslcrypto_encrypt_and_signv
+   fun:opensslcrypto_encrypt_and_sign
+   fun:_handle_check_each
+   fun:_send_pings
+   fun:_handle_heartbt_thread
+}
+{
+   openssl 1.1.1c missing fix from master
+   Memcheck:Cond
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:RAND_DRBG_generate
+   fun:RAND_DRBG_bytes
+   fun:encrypt_openssl
+   fun:opensslcrypto_encrypt_and_signv
+   fun:opensslcrypto_encrypt_and_sign
+   fun:_handle_check_each
+   fun:_send_pings
+   fun:_handle_heartbt_thread
+   fun:start_thread
+   fun:clone
+}
+{
+   openssl 1.1.1c missing fix from master
+   Memcheck:Cond
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1
+   fun:RAND_DRBG_generate
+   fun:RAND_DRBG_bytes
+   fun:encrypt_openssl
+   fun:opensslcrypto_encrypt_and_signv
+   fun:opensslcrypto_encrypt_and_sign
+   fun:_handle_check_each
+   fun:_send_pings
+   fun:_handle_heartbt_thread
+   fun:start_thread
+   fun:clone
+}
+{
+   openssl 1.1.1c missing fix from master
+   Memcheck:Param
+   socketcall.sendto(msg)
+   fun:sendto
+   fun:_handle_check_each
+   fun:_send_pings
+   fun:_handle_heartbt_thread
+   fun:start_thread
+   fun:clone
+}
+{
+
+   openssl 1.1.1c missing fix from master
+   Memcheck:Param
+   socketcall.sendto(msg)
+   fun:sendto
+   fun:_parse_recv_from_links
+   fun:_handle_recv_from_links
+   fun:_handle_recv_from_links_thread
+   fun:start_thread
+   fun:clone
+}
+{
+   openssl 1.1.1c missing fix from master
+   Memcheck:Param
+   socketcall.sendto(msg)
+   fun:sendto
+   fun:_handle_check_link_pmtud
+   fun:_handle_check_pmtud
+   fun:_handle_pmtud_link_thread
+   fun:start_thread
+   fun:clone
+}
+{
+   openssl 1.1.1c missing fix from master
+   Memcheck:Param
+   sendmsg(msg.msg_iov[0])
+   fun:__libc_sendmsg
+   fun:sendmsg
+   fun:_sendmmsg
+   fun:_dispatch_to_links
+   fun:_parse_recv_from_sock
+   fun:_handle_send_to_links
+   fun:_handle_send_to_links_thread
+   fun:start_thread
+   fun:clone
+}