[ 1223.243144][T12784] netdevsim netdevsim293 eni293np1: renamed from eth0
[ 1223.368398][T12781] netdevsim netdevsim760 eni760np1: renamed from eth1
[ 1226.062951][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.064756][T12775] Could not find netns with fd: 2000
[ 1226.066235][T12775] Cannot link a netdevsim to itself
[ 1226.068091][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).