[ddm, mg-lower, pt6] underlay membership sweep, admin v5, & mrib origination - #999

control: job assigned to worker 01M700QVKS9PTBAJ3TTMPVJDR2 [factory aws, i-09108e8efc292b8d5] (queued for 1 m 12 s)
...
task: starting task 0: "setup"
task: process exited: duration 4097 ms, exit code 0
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task: starting task 1: "rust-toolchain"
task: process exited: duration 16427 ms, exit code 0
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task: starting task 2: "authentication"
task: process exited: duration 18 ms, exit code 0
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task: starting task 3: "clone repository"
task: process exited: duration 1354 ms, exit code 0
...
task: starting task 4: "build"
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|  Nextest run ID c1f8a23e-49a1-4c8b-ab40-332552bd1438 with nextest profile: default
|     Starting 13 tests across 1 binary
|         PASS [   0.012s] mgadm::bin/mgadm bgp::tests::test_parse_peer_type_ipv4
|         PASS [   0.012s] mgadm::bin/mgadm bgp::tests::test_parse_peer_type_interface
|         PASS [   0.012s] mgadm::bin/mgadm bgp::tests::test_parse_peer_type_ipv6
|         PASS [   0.012s] mgadm::bin/mgadm bgp::tests::test_ipv6_prefix_parsing_in_cli
|         PASS [   0.012s] mgadm::bin/mgadm bgp::tests::test_ipv4_prefix_parsing_in_cli
|         PASS [   0.013s] mgadm::bin/mgadm mrib::tests::test_status_imported_list_with_af
|         PASS [   0.013s] mgadm::bin/mgadm mrib::tests::test_status_imported_list_with_orig [...]
|         PASS [   0.014s] mgadm::bin/mgadm mrib::tests::test_status_filter_combinations
|         PASS [   0.010s] mgadm::bin/mgadm static_routing::tests::test_route_conversion_to_ [...]
|         PASS [   0.011s] mgadm::bin/mgadm mrib::tests::test_status_imported_specific_route [...]
|         PASS [   0.011s] mgadm::bin/mgadm mrib::tests::test_status_selected_list_all
|         PASS [   0.011s] mgadm::bin/mgadm mrib::tests::test_status_selected_specific_route [...]
|         PASS [   0.012s] mgadm::bin/mgadm mrib::tests::test_status_imported_specific_route
| ────────────
|      Summary [   0.024s] 13 tests run: 13 passed, 0 skipped
| + rm -rf /tmp/tmp.gHaOrc
task: process exited: duration 194580 ms, exit code 0
|W| found 0 output files