[  519.382243] netdevsim netdevsim526 eni526np1: renamed from eth1
[  519.479592] netdevsim netdevsim381 eni381np1: renamed from eth0
[  519.734641] Could not find device with ifindex 2000 in netnsfd 11
[  519.734806] Could not find netns with fd: 2000
[  519.734883] Cannot link a netdevsim to itself
[  519.734970] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).