[ 1225.282099][T12780] netdevsim netdevsim542 eni542np1: renamed from eth1
[ 1225.419439][T12778] netdevsim netdevsim486 eni486np1: renamed from eth0
[ 1228.190826][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1228.193238][T12771] Could not find netns with fd: 2000
[ 1228.194794][T12771] Cannot link a netdevsim to itself
[ 1228.196970][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).