[  431.331103] netdevsim netdevsim471 eni471np1: renamed from eth0
[  431.331287] netdevsim netdevsim555 eni555np1: renamed from eth1
[  431.418599] Could not find device with ifindex 2000 in netnsfd 11
[  431.418737] Could not find netns with fd: 2000
[  431.418833] Cannot link a netdevsim to itself
[  431.418943] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).