Address non-monotonicity of steal time and other issues #719

Job	Run time
Test with C++20 modules enabled / test	12m 56s
Test with DPDK enabled / test	16m 12s
Test (clang++, C++20, dev) / test	10m 5s
Test (clang++, C++20, debug) / test	12m 11s
Test (clang++, C++20, release) / test	9m 45s
Test (clang++, C++23, dev) / test	8m 37s
Test (clang++, C++23, debug) / test	13m 6s
Test (clang++, C++23, release) / test	15m 53s
Test (g++, C++20, debug) / test	17m 18s
Test (g++, C++20, dev) / test	8m 7s
Test (g++, C++20, release) / test	12m 35s
Test (g++, C++23, debug) / test	16m 21s
Test (g++, C++23, dev) / test	8m 2s
Test (g++, C++23, release) / test	12m 54s
	2h 54m 2s

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