[ 1230.121959][T12507] netdevsim netdevsim609 eni609np1: renamed from eth1
[ 1230.134651][T12508] netdevsim netdevsim348 eni348np1: renamed from eth0
[ 1232.788339][T12496] Could not find device with ifindex 2000 in netnsfd 11
[ 1232.789499][T12496] Could not find netns with fd: 2000
[ 1232.790476][T12496] Cannot link a netdevsim to itself
[ 1232.791726][T12496] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).