[ 1248.412320][T12786] netdevsim netdevsim493 eni493np1: renamed from eth0
[ 1248.539634][T12785] netdevsim netdevsim588 eni588np1: renamed from eth1
[ 1251.196235][T12776] Could not find device with ifindex 2000 in netnsfd 11
[ 1251.197690][T12776] Could not find netns with fd: 2000
[ 1251.199115][T12776] Cannot link a netdevsim to itself
[ 1251.200939][T12776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).