[ 1249.887495][T12795] netdevsim netdevsim477 eni477np1: renamed from eth0
[ 1249.923065][T12796] netdevsim netdevsim593 eni593np1: renamed from eth1
[ 1252.713807][T12783] Could not find device with ifindex 2000 in netnsfd 11
[ 1252.715654][T12783] Could not find netns with fd: 2000
[ 1252.717137][T12783] Cannot link a netdevsim to itself
[ 1252.718968][T12783] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).