[ 1270.381592][T12743] netdevsim netdevsim303 eni303np1: renamed from eth0
[ 1270.443371][T12742] netdevsim netdevsim701 eni701np1: renamed from eth1
[ 1273.095903][T12733] Could not find device with ifindex 2000 in netnsfd 11
[ 1273.099426][T12733] Could not find netns with fd: 2000
[ 1273.100923][T12733] Cannot link a netdevsim to itself
[ 1273.102728][T12733] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).