[ 1159.462039][T12784] netdevsim netdevsim380 eni380np1: renamed from eth0
[ 1159.587229][T12781] netdevsim netdevsim685 eni685np1: renamed from eth1
[ 1162.195709][T12776] Could not find device with ifindex 2000 in netnsfd 11
[ 1162.196962][T12776] Could not find netns with fd: 2000
[ 1162.197970][T12776] Cannot link a netdevsim to itself
[ 1162.199129][T12776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).