[ 1036.814352][T12663] netdevsim netdevsim444 eni444np1: renamed from eth0
[ 1036.833533][T12662] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1038.780163][T12655] Could not find device with ifindex 2000 in netnsfd 11
[ 1038.781524][T12655] Could not find netns with fd: 2000
[ 1038.782378][T12655] Cannot link a netdevsim to itself
[ 1038.783260][T12655] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).