[ 1049.143879][T12670] netdevsim netdevsim464 eni464np1: renamed from eth0
[ 1049.251371][T12667] netdevsim netdevsim579 eni579np1: renamed from eth1
[ 1051.266811][T12662] Could not find device with ifindex 2000 in netnsfd 11
[ 1051.267971][T12662] Could not find netns with fd: 2000
[ 1051.268827][T12662] Cannot link a netdevsim to itself
[ 1051.269712][T12662] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).