[  486.613490] netdevsim netdevsim268 eni268np1: renamed from eth0
[  486.714983] netdevsim netdevsim580 eni580np1: renamed from eth1
[  487.078560] Could not find device with ifindex 2000 in netnsfd 11
[  487.078739] Could not find netns with fd: 2000
[  487.078827] Cannot link a netdevsim to itself
[  487.078927] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).