[ 1025.932013][T12650] netdevsim netdevsim275 eni275np1: renamed from eth0
[ 1025.934025][T12647] netdevsim netdevsim620 eni620np1: renamed from eth1
[ 1027.646439][T12642] Could not find device with ifindex 2000 in netnsfd 11
[ 1027.647916][T12642] Could not find netns with fd: 2000
[ 1027.648987][T12642] Cannot link a netdevsim to itself
[ 1027.650278][T12642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).