[  484.182026] netdevsim netdevsim284 eni284np1: renamed from eth0
[  484.282954] netdevsim netdevsim710 eni710np1: renamed from eth1
[  484.682681] Could not find device with ifindex 2000 in netnsfd 11
[  484.682831] Could not find netns with fd: 2000
[  484.682923] Cannot link a netdevsim to itself
[  484.683026] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).