[ 1279.490721][T12887] netdevsim netdevsim349 eni349np1: renamed from eth0
[ 1279.574655][T12889] netdevsim netdevsim620 eni620np1: renamed from eth1
[ 1282.095326][T12874] Could not find device with ifindex 2000 in netnsfd 11
[ 1282.096450][T12874] Could not find netns with fd: 2000
[ 1282.097291][T12874] Cannot link a netdevsim to itself
[ 1282.098343][T12874] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).