[ 1221.644728][T11124] netdevsim netdevsim528 eni528np1: renamed from eth1
[ 1221.678844][T11126] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1224.956608][T11118] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.961650][T11118] Could not find netns with fd: 2000
[ 1224.962579][T11118] Cannot link a netdevsim to itself
[ 1224.963400][T11118] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).