[  457.203649] netdevsim netdevsim711 eni711np1: renamed from eth1
[  457.203913] netdevsim netdevsim337 eni337np1: renamed from eth0
[  457.293301] Could not find device with ifindex 2000 in netnsfd 11
[  457.293472] Could not find netns with fd: 2000
[  457.293579] Cannot link a netdevsim to itself
[  457.293719] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).