build

examples/l3fwd: fix Rx over not ready port #232

Job	Run time
ubuntu-20.04-gcc-static	10m 36s
ubuntu-20.04-gcc-shared-mini	2m 28s
ubuntu-20.04-gcc-shared-abi+doc+tests	12m 27s
ubuntu-20.04-clang-static	8m 6s
ubuntu-20.04-clang-shared-doc+tests	10m 21s
ubuntu-20.04-gcc-static-i386	4m 59s
ubuntu-20.04-gcc-static-aarch64	13m 26s
ubuntu-20.04-gcc-shared-aarch64	12m 57s
ubuntu-20.04-gcc-static-ppc64le	6m 30s
ubuntu-20.04-gcc-shared-ppc64le	6m 29s
	1h 28m 19s

Provide feedback