[  522.322345] netdevsim netdevsim602 eni602np1: renamed from eth1
[  522.418865] netdevsim netdevsim333 eni333np1: renamed from eth0
[  522.659821] Could not find device with ifindex 2000 in netnsfd 11
[  522.660005] Could not find netns with fd: 2000
[  522.660114] Cannot link a netdevsim to itself
[  522.660217] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).