[  516.905572] netdevsim netdevsim759 eni759np1: renamed from eth1
[  517.001881] netdevsim netdevsim363 eni363np1: renamed from eth0
[  517.214848] Could not find device with ifindex 2000 in netnsfd 11
[  517.215023] Could not find netns with fd: 2000
[  517.215107] Cannot link a netdevsim to itself
[  517.215211] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).