[ 1324.515793][T12514] netdevsim netdevsim540 eni540np1: renamed from eth1
[ 1324.570192][T12517] netdevsim netdevsim347 eni347np1: renamed from eth0
[ 1327.322189][T12506] Could not find device with ifindex 2000 in netnsfd 11
[ 1327.323707][T12506] Could not find netns with fd: 2000
[ 1327.325499][T12506] Cannot link a netdevsim to itself
[ 1327.327276][T12506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).