[  832.250426][T15685] netdevsim netdevsim357 eni357np1: renamed from eth0
[  832.262856][T15683] netdevsim netdevsim631 eni631np1: renamed from eth1
[  832.887859][T15671] Could not find device with ifindex 2000 in netnsfd 11
[  832.888537][T15671] Could not find netns with fd: 2000
[  832.888989][T15671] Cannot link a netdevsim to itself
[  832.889521][T15671] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).