packetdrill-2.0+git.20230521-bp156.1.5

- Update to version 2.0+git.20230521:
  * net-test: packetdrill: add README.md details about IP addresses for test traffic
  * net-test: packetdrill: update README.md to add docs for local and remote mode
  * net-test: packetdrill: DEBUGP() for looking up non-TCP sockets in wire tests
  * net-test: packetdrill: fix crash with --debug in run_syscall_accept()
  * net-test: packetdrill: add debugging for live_local_ip_string
  * net-test: packetdrill: invoke set_default_config() before parse_script_and_set_config()
  * net-test: packetdrill: have wire_client send live_local_ip_string to wire_server
  * net-test: packetdrill: default wire client to using real IP of client and server machines
  * net-test: packetdrill: make --wire_server_at or --wire_server_ip imply --wire_client
  * net-test: packetdrill: introduce --wire_server_at as a synonym for --wire_server_ip
- Drop no longer needed patches:
  * net-test-packetdrill-allow-any-size-for-TCP_INFO-and.patch
  * net-test-packetdrill-define-Linux-capability-symbols.patch
  * net-test-packetdrill-fix-error-msg-in-loose-segment-.patch
  * net-test-packetdrill-loose-segmentation-checks-non-s.patch

- suppress "address of packed member" gcc9 warning (fix Factory
  build)
- add useful post-2.0 upstream commits:
  net-test-packetdrill-allow-any-size-for-TCP_INFO-and.patch
  net-test-packetdrill-define-Linux-capability-symbols.patch
  net-test-packetdrill-loose-segmentation-checks-non-s.patch
  net-test-packetdrill-fix-error-msg-in-loose-segment-.patch
- no longer need to define CAP_BLOCK_SUSPEND for SLE11 build

- make-build-more-consistent-with-openSUSE-packaging.patch:
  tweak the makefiles to be consistent with openSUSE policies

- initial import of 2.0 sources