[ 1040.556111][T12757] netdevsim netdevsim419 eni419np1: renamed from eth0
[ 1040.575746][T12758] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1042.466158][T12749] Could not find device with ifindex 2000 in netnsfd 11
[ 1042.467228][T12749] Could not find netns with fd: 2000
[ 1042.467978][T12749] Cannot link a netdevsim to itself
[ 1042.469152][T12749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).