[ 1248.770401][T12781] netdevsim netdevsim562 eni562np1: renamed from eth1
[ 1248.773326][T12780] netdevsim netdevsim420 eni420np1: renamed from eth0
[ 1251.386260][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1251.388105][T12772] Could not find netns with fd: 2000
[ 1251.389525][T12772] Cannot link a netdevsim to itself
[ 1251.391319][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).