[  489.546756] netdevsim netdevsim715 eni715np1: renamed from eth1
[  489.647161] netdevsim netdevsim341 eni341np1: renamed from eth0
[  490.023716] Could not find device with ifindex 2000 in netnsfd 11
[  490.023880] Could not find netns with fd: 2000
[  490.024016] Cannot link a netdevsim to itself
[  490.024123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).