[ 1299.989887][T13025] netdevsim netdevsim380 eni380np1: renamed from eth0
[ 1300.083878][T13023] netdevsim netdevsim544 eni544np1: renamed from eth1
[ 1302.720953][T13012] Could not find device with ifindex 2000 in netnsfd 11
[ 1302.722993][T13012] Could not find netns with fd: 2000
[ 1302.724302][T13012] Cannot link a netdevsim to itself
[ 1302.725557][T13012] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).