[  797.402836][T14764] netdevsim netdevsim270 eni270np1: renamed from eth0
[  797.426505][T14766] netdevsim netdevsim613 eni613np1: renamed from eth1
[  798.036841][T14752] Could not find device with ifindex 2000 in netnsfd 11
[  798.037614][T14752] Could not find netns with fd: 2000
[  798.037976][T14752] Cannot link a netdevsim to itself
[  798.038400][T14752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).