[  482.467978] netdevsim netdevsim434 eni434np1: renamed from eth0
[  482.569222] netdevsim netdevsim664 eni664np1: renamed from eth1
[  482.894350] Could not find device with ifindex 2000 in netnsfd 11
[  482.894522] Could not find netns with fd: 2000
[  482.894629] Cannot link a netdevsim to itself
[  482.894777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).