[ 1043.486705][T12753] netdevsim netdevsim747 eni747np1: renamed from eth1
[ 1043.607033][T12755] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1045.564268][T12747] Could not find device with ifindex 2000 in netnsfd 11
[ 1045.565269][T12747] Could not find netns with fd: 2000
[ 1045.565981][T12747] Cannot link a netdevsim to itself
[ 1045.566783][T12747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).