[ 1336.922607][T12793] netdevsim netdevsim739 eni739np1: renamed from eth1
[ 1336.931863][T12796] netdevsim netdevsim305 eni305np1: renamed from eth0
[ 1339.587363][T12789] Could not find device with ifindex 2000 in netnsfd 11
[ 1339.588543][T12789] Could not find netns with fd: 2000
[ 1339.590766][T12789] Cannot link a netdevsim to itself
[ 1339.591921][T12789] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).