[  457.086835] netdevsim netdevsim414 eni414np1: renamed from eth0
[  457.087997] netdevsim netdevsim556 eni556np1: renamed from eth0
[  457.183093] Could not find device with ifindex 2000 in netnsfd 11
[  457.183205] Could not find netns with fd: 2000
[  457.183249] Cannot link a netdevsim to itself
[  457.183299] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).