[ 1249.779627][T12912] netdevsim netdevsim724 eni724np1: renamed from eth1
[ 1249.846555][T12913] netdevsim netdevsim454 eni454np1: renamed from eth0
[ 1252.595026][T12905] Could not find device with ifindex 2000 in netnsfd 11
[ 1252.596869][T12905] Could not find netns with fd: 2000
[ 1252.598284][T12905] Cannot link a netdevsim to itself
[ 1252.599865][T12905] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).