[  487.527301] netdevsim netdevsim276 eni276np1: renamed from eth0
[  487.529659] netdevsim netdevsim690 eni690np1: renamed from eth1
[  487.611985] Could not find device with ifindex 2000 in netnsfd 11
[  487.612070] Could not find netns with fd: 2000
[  487.612113] Cannot link a netdevsim to itself
[  487.612164] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).