[ 1009.753410][T12637] netdevsim netdevsim393 eni393np1: renamed from eth0
[ 1009.844573][T12587] netdevsim netdevsim749 eni749np1: renamed from eth1
[ 1011.701880][T12632] Could not find device with ifindex 2000 in netnsfd 11
[ 1011.702825][T12632] Could not find netns with fd: 2000
[ 1011.703760][T12632] Cannot link a netdevsim to itself
[ 1011.704529][T12632] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).