[ 1312.079944][T13024] netdevsim netdevsim539 eni539np1: renamed from eth1
[ 1312.131524][T13023] netdevsim netdevsim372 eni372np1: renamed from eth0
[ 1314.693253][T13010] Could not find device with ifindex 2000 in netnsfd 11
[ 1314.712902][T13010] Could not find netns with fd: 2000
[ 1314.714065][T13010] Cannot link a netdevsim to itself
[ 1314.715292][T13010] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).