[ 1023.265462][T12648] netdevsim netdevsim285 eni285np1: renamed from eth0
[ 1023.361265][T12646] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1025.291592][T12640] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.292555][T12640] Could not find netns with fd: 2000
[ 1025.293227][T12640] Cannot link a netdevsim to itself
[ 1025.294049][T12640] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).