[ 1337.700046][T12849] netdevsim netdevsim378 eni378np1: renamed from eth0
[ 1337.851082][T12848] netdevsim netdevsim540 eni540np1: renamed from eth1
[ 1340.435943][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1340.438021][T12839] Could not find netns with fd: 2000
[ 1340.439247][T12839] Cannot link a netdevsim to itself
[ 1340.440429][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).