[ 1047.326140][T12762] netdevsim netdevsim388 eni388np1: renamed from eth0
[ 1047.328877][T12760] netdevsim netdevsim521 eni521np1: renamed from eth1
[ 1049.144806][T12754] Could not find device with ifindex 2000 in netnsfd 11
[ 1049.145818][T12754] Could not find netns with fd: 2000
[ 1049.146825][T12754] Cannot link a netdevsim to itself
[ 1049.147629][T12754] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).