[ 1275.756968][T12751] netdevsim netdevsim431 eni431np1: renamed from eth0
[ 1275.869195][T12750] netdevsim netdevsim548 eni548np1: renamed from eth1
[ 1278.492886][T12739] Could not find device with ifindex 2000 in netnsfd 11
[ 1278.496285][T12739] Could not find netns with fd: 2000
[ 1278.497742][T12739] Cannot link a netdevsim to itself
[ 1278.499523][T12739] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).