[  489.185832] netdevsim netdevsim505 eni505np1: renamed from eth0
[  489.186272] netdevsim netdevsim766 eni766np1: renamed from eth1
[  489.275863] Could not find device with ifindex 2000 in netnsfd 11
[  489.275962] Could not find netns with fd: 2000
[  489.276004] Cannot link a netdevsim to itself
[  489.276054] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).