[ 1329.632730][T12057] netdevsim netdevsim642 eni642np1: renamed from eth1
[ 1329.741467][T12059] netdevsim netdevsim355 eni355np1: renamed from eth0
[ 1333.237253][T12051] Could not find device with ifindex 2000 in netnsfd 11
[ 1333.238153][T12051] Could not find netns with fd: 2000
[ 1333.239173][T12051] Cannot link a netdevsim to itself
[ 1333.239966][T12051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).