[ 1294.769536][T12757] netdevsim netdevsim742 eni742np1: renamed from eth1
[ 1294.814454][T12761] netdevsim netdevsim256 eni256np1: renamed from eth0
[ 1297.521270][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1297.522551][T12748] Could not find netns with fd: 2000
[ 1297.523840][T12748] Cannot link a netdevsim to itself
[ 1297.525123][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).