[ 1037.928321][T12757] netdevsim netdevsim627 eni627np1: renamed from eth1
[ 1038.066906][T12758] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1040.054773][T12750] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.056353][T12750] Could not find netns with fd: 2000
[ 1040.057446][T12750] Cannot link a netdevsim to itself
[ 1040.058751][T12750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).