[  488.352673] netdevsim netdevsim289 eni289np1: renamed from eth0
[  488.454631] netdevsim netdevsim597 eni597np1: renamed from eth1
[  488.808777] Could not find device with ifindex 2000 in netnsfd 11
[  488.808938] Could not find netns with fd: 2000
[  488.809025] Cannot link a netdevsim to itself
[  488.809125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).