[ 1226.248535][T11145] netdevsim netdevsim742 eni742np1: renamed from eth1
[ 1226.346952][T11147] netdevsim netdevsim383 eni383np1: renamed from eth0
[ 1229.740780][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1229.741614][T11139] Could not find netns with fd: 2000
[ 1229.742250][T11139] Cannot link a netdevsim to itself
[ 1229.749082][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).