[  812.820897][T15874] netdevsim netdevsim415 eni415np1: renamed from eth0
[  812.830206][T15875] netdevsim netdevsim631 eni631np1: renamed from eth1
[  813.426661][T15860] Could not find device with ifindex 2000 in netnsfd 11
[  813.427403][T15860] Could not find netns with fd: 2000
[  813.427945][T15860] Cannot link a netdevsim to itself
[  813.428625][T15860] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).