[  483.498398] netdevsim netdevsim500 eni500np1: renamed from eth0
[  483.498733] netdevsim netdevsim597 eni597np1: renamed from eth1
[  483.599373] Could not find device with ifindex 2000 in netnsfd 11
[  483.599465] Could not find netns with fd: 2000
[  483.599507] Cannot link a netdevsim to itself
[  483.599561] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).