[ 1256.441923][T12752] netdevsim netdevsim349 eni349np1: renamed from eth0
[ 1256.569215][T12751] netdevsim netdevsim722 eni722np1: renamed from eth1
[ 1259.330034][T12740] Could not find device with ifindex 2000 in netnsfd 11
[ 1259.332346][T12740] Could not find netns with fd: 2000
[ 1259.333362][T12740] Cannot link a netdevsim to itself
[ 1259.334505][T12740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).