[ 1346.334973][T12858] netdevsim netdevsim411 eni411np1: renamed from eth0
[ 1346.412202][T12854] netdevsim netdevsim644 eni644np1: renamed from eth1
[ 1349.289346][T12845] Could not find device with ifindex 2000 in netnsfd 11
[ 1349.291637][T12845] Could not find netns with fd: 2000
[ 1349.300782][T12845] Cannot link a netdevsim to itself
[ 1349.302062][T12845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).