[ 1040.825055][T12656] netdevsim netdevsim633 eni633np1: renamed from eth1
[ 1040.955652][T12588] netdevsim netdevsim398 eni398np1: renamed from eth0
[ 1042.883283][T12733] Could not find device with ifindex 2000 in netnsfd 11
[ 1042.884243][T12733] Could not find netns with fd: 2000
[ 1042.884905][T12733] Cannot link a netdevsim to itself
[ 1042.885662][T12733] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).