[  809.594592][T15791] netdevsim netdevsim258 eni258np1: renamed from eth0
[  809.608391][T15793] netdevsim netdevsim638 eni638np1: renamed from eth1
[  810.219323][T15778] Could not find device with ifindex 2000 in netnsfd 11
[  810.220019][T15778] Could not find netns with fd: 2000
[  810.220651][T15778] Cannot link a netdevsim to itself
[  810.221291][T15778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).