[  509.654995] netdevsim netdevsim424 eni424np1: renamed from eth0
[  509.752534] netdevsim netdevsim673 eni673np1: renamed from eth1
[  509.945165] Could not find device with ifindex 2000 in netnsfd 11
[  509.945311] Could not find netns with fd: 2000
[  509.945382] Cannot link a netdevsim to itself
[  509.945467] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).