[ 1223.559306][T11148] netdevsim netdevsim623 eni623np1: renamed from eth1
[ 1223.660525][T11150] netdevsim netdevsim369 eni369np1: renamed from eth0
[ 1226.970370][T11142] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.972333][T11142] Could not find netns with fd: 2000
[ 1226.973465][T11142] Cannot link a netdevsim to itself
[ 1226.974124][T11142] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).