[  521.153828] netdevsim netdevsim590 eni590np1: renamed from eth1
[  521.251533] netdevsim netdevsim364 eni364np1: renamed from eth0
[  521.532451] Could not find device with ifindex 2000 in netnsfd 11
[  521.532664] Could not find netns with fd: 2000
[  521.532768] Cannot link a netdevsim to itself
[  521.532913] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).