[  483.858982] netdevsim netdevsim273 eni273np1: renamed from eth0
[  483.859301] netdevsim netdevsim675 eni675np1: renamed from eth1
[  483.939933] Could not find device with ifindex 2000 in netnsfd 11
[  483.940035] Could not find netns with fd: 2000
[  483.940078] Cannot link a netdevsim to itself
[  483.940131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).