[ 1232.814848][T12780] netdevsim netdevsim266 eni266np1: renamed from eth0
[ 1232.921911][T12777] netdevsim netdevsim550 eni550np1: renamed from eth1
[ 1235.432105][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.433264][T12772] Could not find netns with fd: 2000
[ 1235.434121][T12772] Cannot link a netdevsim to itself
[ 1235.435656][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).