[  525.600542] netdevsim netdevsim738 eni738np1: renamed from eth1
[  525.698653] netdevsim netdevsim337 eni337np1: renamed from eth0
[  525.940020] Could not find device with ifindex 2000 in netnsfd 11
[  525.940209] Could not find netns with fd: 2000
[  525.940304] Cannot link a netdevsim to itself
[  525.940402] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).