[ 1336.403845][T13050] netdevsim netdevsim316 eni316np1: renamed from eth0
[ 1336.516732][T13048] netdevsim netdevsim537 eni537np1: renamed from eth1
[ 1339.022849][T13037] Could not find device with ifindex 2000 in netnsfd 11
[ 1339.025830][T13037] Could not find netns with fd: 2000
[ 1339.026749][T13037] Cannot link a netdevsim to itself
[ 1339.027851][T13037] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).