[ 1183.738035][T12492] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1183.883720][T12494] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1186.265433][T12485] Could not find device with ifindex 2000 in netnsfd 11
[ 1186.269431][T12485] Could not find netns with fd: 2000
[ 1186.270363][T12485] Cannot link a netdevsim to itself
[ 1186.271410][T12485] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).