[ 1012.471819][T12138] netdevsim netdevsim426 eni426np1: renamed from eth0
[ 1012.573611][T12073] netdevsim netdevsim556 eni556np1: renamed from eth1
[ 1014.367722][T12461] Could not find device with ifindex 2000 in netnsfd 11
[ 1014.368653][T12461] Could not find netns with fd: 2000
[ 1014.369302][T12461] Cannot link a netdevsim to itself
[ 1014.370073][T12461] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).