[ 1021.727938][T12132] netdevsim netdevsim700 eni700np1: renamed from eth1
[ 1021.832045][T12066] netdevsim netdevsim294 eni294np1: renamed from eth0
[ 1023.708321][T12552] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.709371][T12552] Could not find netns with fd: 2000
[ 1023.710130][T12552] Cannot link a netdevsim to itself
[ 1023.710933][T12552] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).