[  493.334992] netdevsim netdevsim351 eni351np1: renamed from eth0
[  493.431295] netdevsim netdevsim751 eni751np1: renamed from eth1
[  493.661862] Could not find device with ifindex 2000 in netnsfd 11
[  493.662154] Could not find netns with fd: 2000
[  493.662236] Cannot link a netdevsim to itself
[  493.662328] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).