[ 1244.294698][T11134] netdevsim netdevsim338 eni338np1: renamed from eth0
[ 1244.395218][T11133] netdevsim netdevsim681 eni681np1: renamed from eth1
[ 1247.569594][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.570295][T11126] Could not find netns with fd: 2000
[ 1247.570918][T11126] Cannot link a netdevsim to itself
[ 1247.571642][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).