[ 1454.075975][T12606] netdevsim netdevsim673 eni673np1: renamed from eth1
[ 1454.187263][T12608] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1457.898858][T12600] Could not find device with ifindex 2000 in netnsfd 11
[ 1457.899746][T12600] Could not find netns with fd: 2000
[ 1457.900451][T12600] Cannot link a netdevsim to itself
[ 1457.901318][T12600] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).