[ 1278.985751][T13016] netdevsim netdevsim729 eni729np1: renamed from eth1
[ 1279.000370][T13015] netdevsim netdevsim294 eni294np1: renamed from eth0
[ 1281.797333][T13002] Could not find device with ifindex 2000 in netnsfd 11
[ 1281.802291][T13002] Could not find netns with fd: 2000
[ 1281.803434][T13002] Cannot link a netdevsim to itself
[ 1281.806699][T13002] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).