[  486.291650] netdevsim netdevsim363 eni363np1: renamed from eth0
[  486.292053] netdevsim netdevsim654 eni654np1: renamed from eth1
[  486.396146] Could not find device with ifindex 2000 in netnsfd 11
[  486.396238] Could not find netns with fd: 2000
[  486.396280] Cannot link a netdevsim to itself
[  486.396330] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).