[ 1221.113277][T11141] netdevsim netdevsim742 eni742np1: renamed from eth1
[ 1221.117021][T11143] netdevsim netdevsim276 eni276np1: renamed from eth0
[ 1224.386820][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.387641][T11135] Could not find netns with fd: 2000
[ 1224.388214][T11135] Cannot link a netdevsim to itself
[ 1224.388937][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).