[  519.183710] netdevsim netdevsim414 eni414np1: renamed from eth0
[  519.280600] netdevsim netdevsim761 eni761np1: renamed from eth1
[  519.524762] Could not find device with ifindex 2000 in netnsfd 11
[  519.525024] Could not find netns with fd: 2000
[  519.525144] Cannot link a netdevsim to itself
[  519.525278] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).