[  520.723347] netdevsim netdevsim445 eni445np1: renamed from eth0
[  520.821037] netdevsim netdevsim559 eni559np1: renamed from eth1
[  521.058603] Could not find device with ifindex 2000 in netnsfd 11
[  521.058750] Could not find netns with fd: 2000
[  521.058821] Cannot link a netdevsim to itself
[  521.058907] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).