[  487.317267] netdevsim netdevsim410 eni410np1: renamed from eth0
[  487.419144] netdevsim netdevsim747 eni747np1: renamed from eth1
[  487.771023] Could not find device with ifindex 2000 in netnsfd 11
[  487.771192] Could not find netns with fd: 2000
[  487.771290] Cannot link a netdevsim to itself
[  487.771417] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).