[  521.298159] netdevsim netdevsim425 eni425np1: renamed from eth0
[  521.394864] netdevsim netdevsim518 eni518np1: renamed from eth1
[  521.643413] Could not find device with ifindex 2000 in netnsfd 11
[  521.643604] Could not find netns with fd: 2000
[  521.643685] Cannot link a netdevsim to itself
[  521.643792] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).