[  474.237167] netdevsim netdevsim762 eni762np1: renamed from eth1
[  474.238856] netdevsim netdevsim426 eni426np1: renamed from eth0
[  474.322064] Could not find device with ifindex 2000 in netnsfd 11
[  474.322144] Could not find netns with fd: 2000
[  474.322188] Cannot link a netdevsim to itself
[  474.322240] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).