[ 1221.240720][T11133] netdevsim netdevsim681 eni681np1: renamed from eth1
[ 1221.249180][T11135] netdevsim netdevsim322 eni322np1: renamed from eth0
[ 1224.749428][T11127] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.750163][T11127] Could not find netns with fd: 2000
[ 1224.751476][T11127] Cannot link a netdevsim to itself
[ 1224.752136][T11127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).