[ 1000.527755][T12119] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1000.624545][T12054] netdevsim netdevsim614 eni614np1: renamed from eth1
[ 1002.712001][T12541] Could not find device with ifindex 2000 in netnsfd 11
[ 1002.713141][T12541] Could not find netns with fd: 2000
[ 1002.713945][T12541] Cannot link a netdevsim to itself
[ 1002.715012][T12541] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).