[  490.449669] netdevsim netdevsim766 eni766np1: renamed from eth1
[  490.546256] netdevsim netdevsim405 eni405np1: renamed from eth0
[  490.772426] Could not find device with ifindex 2000 in netnsfd 11
[  490.772686] Could not find netns with fd: 2000
[  490.772776] Cannot link a netdevsim to itself
[  490.772878] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).