[ 1327.430357][T12058] netdevsim netdevsim641 eni641np1: renamed from eth1
[ 1327.478006][T12060] netdevsim netdevsim333 eni333np1: renamed from eth0
[ 1331.075044][T12052] Could not find device with ifindex 2000 in netnsfd 11
[ 1331.075873][T12052] Could not find netns with fd: 2000
[ 1331.076555][T12052] Cannot link a netdevsim to itself
[ 1331.077301][T12052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).