[ 1034.340531][T12580] netdevsim netdevsim263 eni263np1: renamed from eth0
[ 1034.381197][T12579] netdevsim netdevsim623 eni623np1: renamed from eth1
[ 1036.082356][T12726] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.083307][T12726] Could not find netns with fd: 2000
[ 1036.084263][T12726] Cannot link a netdevsim to itself
[ 1036.085642][T12726] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).