[ 1231.333048][T13047] netdevsim netdevsim603 eni603np1: renamed from eth1
[ 1231.384227][T13050] netdevsim netdevsim352 eni352np1: renamed from eth0
[ 1234.078225][T13038] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.079762][T13038] Could not find netns with fd: 2000
[ 1234.081154][T13038] Cannot link a netdevsim to itself
[ 1234.083039][T13038] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).