[  518.532133] netdevsim netdevsim675 eni675np1: renamed from eth1
[  518.629689] netdevsim netdevsim353 eni353np1: renamed from eth0
[  518.883028] Could not find device with ifindex 2000 in netnsfd 11
[  518.883210] Could not find netns with fd: 2000
[  518.883303] Cannot link a netdevsim to itself
[  518.883398] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).