[ 1243.839869][T11138] netdevsim netdevsim712 eni712np1: renamed from eth1
[ 1243.945828][T11139] netdevsim netdevsim329 eni329np1: renamed from eth0
[ 1247.150216][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.150926][T11131] Could not find netns with fd: 2000
[ 1247.151472][T11131] Cannot link a netdevsim to itself
[ 1247.152112][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).