[  482.156763] netdevsim netdevsim268 eni268np1: renamed from eth0
[  482.258634] netdevsim netdevsim647 eni647np1: renamed from eth1
[  482.620107] Could not find device with ifindex 2000 in netnsfd 11
[  482.620242] Could not find netns with fd: 2000
[  482.620311] Cannot link a netdevsim to itself
[  482.620391] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).