[  521.284426] netdevsim netdevsim762 eni762np1: renamed from eth1
[  521.381387] netdevsim netdevsim279 eni279np1: renamed from eth0
[  521.603297] Could not find device with ifindex 2000 in netnsfd 11
[  521.603471] Could not find netns with fd: 2000
[  521.603558] Cannot link a netdevsim to itself
[  521.603808] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).