[  543.184753] netdevsim netdevsim401 eni401np1: renamed from eth0
[  543.286744] netdevsim netdevsim767 eni767np1: renamed from eth1
[  543.653888] Could not find device with ifindex 2000 in netnsfd 11
[  543.654051] Could not find netns with fd: 2000
[  543.654142] Cannot link a netdevsim to itself
[  543.654266] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).