[  486.668753] netdevsim netdevsim494 eni494np1: renamed from eth0
[  486.770358] netdevsim netdevsim730 eni730np1: renamed from eth1
[  487.089028] Could not find device with ifindex 2000 in netnsfd 11
[  487.089160] Could not find netns with fd: 2000
[  487.089236] Cannot link a netdevsim to itself
[  487.089354] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).