consomme: ICMP support for things like ping #1485

Job	Run time
build mdbook guide	1m 23s
build and check docs [x64-windows]	9m 52s
build openhcl [aarch64-linux]	5m 21s
build artifacts [x64-linux]	5m 57s
clippy [windows], unit tests [x64-windows]	4m 31s
build openhcl [x64-linux]	7m 52s
clippy [linux, macos], unit tests [x64-linux]	3m 24s
clippy [linux-musl, misc nostd], unit tests [x64-linux-musl]	3m 30s
unit tests [aarch64-windows]	7m 13s
build and check docs [x64-linux]	2m 48s
test flowey local backend	3m 11s
xtask fmt (linux)	2m 20s
build artifacts (not for VMM tests) [aarch64-windows]	4m 54s
build artifacts (for VMM tests) [aarch64-windows]	10m 9s
build artifacts (not for VMM tests) [x64-windows]	6m 2s
build artifacts (for VMM tests) [x64-windows]	10m 10s
build artifacts [aarch64-linux]	5m 17s
xtask fmt (windows)	6m 28s
run vmm-tests [aarch64-windows]	6m 36s
run vmm-tests [x64-windows-intel]	9m 26s
run vmm-tests [x64-linux]	3m 39s
run vmm-tests [x64-windows-amd]	11m 17s
openvmm checkin gates	8s
	2h 11m 28s

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