[  486.298890] netdevsim netdevsim598 eni598np1: renamed from eth1
[  486.396011] netdevsim netdevsim273 eni273np1: renamed from eth0
[  486.600263] Could not find device with ifindex 2000 in netnsfd 11
[  486.600566] Could not find netns with fd: 2000
[  486.600652] Cannot link a netdevsim to itself
[  486.600753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).