[ 1223.283277][T12739] netdevsim netdevsim442 eni442np1: renamed from eth0
[ 1223.356018][T12736] netdevsim netdevsim693 eni693np1: renamed from eth1
[ 1226.070639][T12731] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.071945][T12731] Could not find netns with fd: 2000
[ 1226.072945][T12731] Cannot link a netdevsim to itself
[ 1226.074138][T12731] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).