[ 1039.428950][T12642] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1039.534427][T12641] netdevsim netdevsim663 eni663np1: renamed from eth1
[ 1041.432419][T12634] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.433484][T12634] Could not find netns with fd: 2000
[ 1041.434161][T12634] Cannot link a netdevsim to itself
[ 1041.435017][T12634] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).