[  518.929646] netdevsim netdevsim530 eni530np1: renamed from eth1
[  519.025569] netdevsim netdevsim392 eni392np1: renamed from eth0
[  519.267282] Could not find device with ifindex 2000 in netnsfd 11
[  519.267471] Could not find netns with fd: 2000
[  519.267549] Cannot link a netdevsim to itself
[  519.267670] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).