[  485.033928] netdevsim netdevsim394 eni394np1: renamed from eth0
[  485.035407] netdevsim netdevsim710 eni710np1: renamed from eth1
[  485.390137] Could not find device with ifindex 2000 in netnsfd 11
[  485.390270] Could not find netns with fd: 2000
[  485.390335] Cannot link a netdevsim to itself
[  485.390416] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).