[ 1234.199246][T11138] netdevsim netdevsim499 eni499np1: renamed from eth0
[ 1234.237803][T11137] netdevsim netdevsim753 eni753np1: renamed from eth1
[ 1237.546551][T11130] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.547250][T11130] Could not find netns with fd: 2000
[ 1237.547805][T11130] Cannot link a netdevsim to itself
[ 1237.548754][T11130] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).