[ 1231.389542][T11142] netdevsim netdevsim736 eni736np1: renamed from eth1
[ 1231.404504][T11143] netdevsim netdevsim456 eni456np1: renamed from eth0
[ 1234.584375][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.585097][T11135] Could not find netns with fd: 2000
[ 1234.585701][T11135] Cannot link a netdevsim to itself
[ 1234.586392][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).