[  522.700962] netdevsim netdevsim401 eni401np1: renamed from eth0
[  522.797939] netdevsim netdevsim587 eni587np1: renamed from eth1
[  523.070068] Could not find device with ifindex 2000 in netnsfd 11
[  523.070291] Could not find netns with fd: 2000
[  523.070402] Cannot link a netdevsim to itself
[  523.070517] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).