[  483.226446] netdevsim netdevsim272 eni272np1: renamed from eth0
[  483.328826] netdevsim netdevsim557 eni557np1: renamed from eth1
[  483.693319] Could not find device with ifindex 2000 in netnsfd 11
[  483.693522] Could not find netns with fd: 2000
[  483.693635] Cannot link a netdevsim to itself
[  483.693788] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).