Update README about new xdp.frags flag #15

	# Anytime we push to any branch
	on: push

	jobs:
	test:
	name: Test
	runs-on: ubuntu-22.04

	steps:
	- name: Set up Go 1.x
	uses: actions/setup-go@v2
	with:
	go-version: ^1.21

	- name: Check out code into the Go module directory
	uses: actions/checkout@v2

	- name: Install libpcap
	run: sudo apt-get install -y libpcap0.8-dev

	- name: Check lint
	# gofmt doesn't report any changes
	run: test -z $(gofmt -l ./ \| tee /dev/stderr)

	- name: Run tests
	# tests need to run as root to load XDP programs
	run: sudo -E env "PATH=$PATH" go test ./...

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