[ 1279.408456][T13056] netdevsim netdevsim681 eni681np1: renamed from eth1
[ 1279.532652][T13059] netdevsim netdevsim328 eni328np1: renamed from eth0
[ 1282.252979][T13047] Could not find device with ifindex 2000 in netnsfd 11
[ 1282.254164][T13047] Could not find netns with fd: 2000
[ 1282.255119][T13047] Cannot link a netdevsim to itself
[ 1282.256267][T13047] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).