[  425.458724] netdevsim netdevsim488 eni488np1: renamed from eth0
[  425.459028] netdevsim netdevsim630 eni630np1: renamed from eth1
[  425.529557] Could not find device with ifindex 2000 in netnsfd 11
[  425.529671] Could not find netns with fd: 2000
[  425.529713] Cannot link a netdevsim to itself
[  425.529763] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).