[  477.096798] netdevsim netdevsim317 eni317np1: renamed from eth0
[  477.097367] netdevsim netdevsim712 eni712np1: renamed from eth1
[  477.192719] Could not find device with ifindex 2000 in netnsfd 11
[  477.192811] Could not find netns with fd: 2000
[  477.192845] Cannot link a netdevsim to itself
[  477.192883] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).