[ 1237.050068][T11140] netdevsim netdevsim591 eni591np1: renamed from eth1
[ 1237.153553][T11141] netdevsim netdevsim480 eni480np1: renamed from eth0
[ 1240.480255][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.480985][T11133] Could not find netns with fd: 2000
[ 1240.481848][T11133] Cannot link a netdevsim to itself
[ 1240.482560][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).