[  488.863309] netdevsim netdevsim703 eni703np1: renamed from eth1
[  488.959388] netdevsim netdevsim306 eni306np1: renamed from eth0
[  489.169710] Could not find device with ifindex 2000 in netnsfd 11
[  489.170006] Could not find netns with fd: 2000
[  489.170097] Cannot link a netdevsim to itself
[  489.170195] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).