[ 1241.136020][T11143] netdevsim netdevsim691 eni691np1: renamed from eth1
[ 1241.165133][T11144] netdevsim netdevsim509 eni509np1: renamed from eth0
[ 1244.549412][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1244.550126][T11136] Could not find netns with fd: 2000
[ 1244.550757][T11136] Cannot link a netdevsim to itself
[ 1244.551494][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).