[  487.134041] netdevsim netdevsim350 eni350np1: renamed from eth0
[  487.231211] netdevsim netdevsim725 eni725np1: renamed from eth1
[  487.460020] Could not find device with ifindex 2000 in netnsfd 11
[  487.460294] Could not find netns with fd: 2000
[  487.460407] Cannot link a netdevsim to itself
[  487.460535] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).