[ 1229.950441][T11144] netdevsim netdevsim337 eni337np1: renamed from eth0
[ 1229.990408][T11142] netdevsim netdevsim514 eni514np1: renamed from eth1
[ 1233.310095][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.320759][T11136] Could not find netns with fd: 2000
[ 1233.321463][T11136] Cannot link a netdevsim to itself
[ 1233.322136][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).