[  523.288396] netdevsim netdevsim343 eni343np1: renamed from eth0
[  523.385541] netdevsim netdevsim591 eni591np1: renamed from eth1
[  523.634518] Could not find device with ifindex 2000 in netnsfd 11
[  523.634741] Could not find netns with fd: 2000
[  523.634832] Cannot link a netdevsim to itself
[  523.634964] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).