[  487.028318] netdevsim netdevsim422 eni422np1: renamed from eth0
[  487.126249] netdevsim netdevsim691 eni691np1: renamed from eth1
[  487.347265] Could not find device with ifindex 2000 in netnsfd 11
[  487.347474] Could not find netns with fd: 2000
[  487.347564] Cannot link a netdevsim to itself
[  487.347683] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).