[ 1238.398326][T11139] netdevsim netdevsim502 eni502np1: renamed from eth0
[ 1238.416390][T11137] netdevsim netdevsim751 eni751np1: renamed from eth1
[ 1241.669835][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.670551][T11131] Could not find netns with fd: 2000
[ 1241.671088][T11131] Cannot link a netdevsim to itself
[ 1241.671778][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).