[  481.380909] netdevsim netdevsim276 eni276np1: renamed from eth0
[  481.482621] netdevsim netdevsim748 eni748np1: renamed from eth1
[  481.839186] Could not find device with ifindex 2000 in netnsfd 11
[  481.839328] Could not find netns with fd: 2000
[  481.839416] Cannot link a netdevsim to itself
[  481.839521] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).