[  487.367529] netdevsim netdevsim419 eni419np1: renamed from eth0
[  487.368198] netdevsim netdevsim713 eni713np1: renamed from eth1
[  487.459680] Could not find device with ifindex 2000 in netnsfd 11
[  487.459746] Could not find netns with fd: 2000
[  487.459777] Cannot link a netdevsim to itself
[  487.459820] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).