[  512.960856] netdevsim netdevsim394 eni394np1: renamed from eth0
[  513.058098] netdevsim netdevsim585 eni585np1: renamed from eth1
[  513.286962] Could not find device with ifindex 2000 in netnsfd 11
[  513.287166] Could not find netns with fd: 2000
[  513.287270] Cannot link a netdevsim to itself
[  513.287394] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).