[ 1269.722243][T12738] netdevsim netdevsim687 eni687np1: renamed from eth1
[ 1269.798174][T12740] netdevsim netdevsim459 eni459np1: renamed from eth0
[ 1272.556315][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1272.558171][T12727] Could not find netns with fd: 2000
[ 1272.559195][T12727] Cannot link a netdevsim to itself
[ 1272.560638][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).