[  486.402687] netdevsim netdevsim676 eni676np1: renamed from eth1
[  486.499630] netdevsim netdevsim412 eni412np1: renamed from eth0
[  486.708523] Could not find device with ifindex 2000 in netnsfd 11
[  486.708871] Could not find netns with fd: 2000
[  486.708970] Cannot link a netdevsim to itself
[  486.709094] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).