[ 1313.183305][T12851] netdevsim netdevsim427 eni427np1: renamed from eth0
[ 1313.294933][T12848] netdevsim netdevsim537 eni537np1: renamed from eth1
[ 1315.892450][T12838] Could not find device with ifindex 2000 in netnsfd 11
[ 1315.896016][T12838] Could not find netns with fd: 2000
[ 1315.898129][T12838] Cannot link a netdevsim to itself
[ 1315.899927][T12838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).