[ 1301.158558][T13052] netdevsim netdevsim525 eni525np1: renamed from eth1
[ 1301.205068][T13055] netdevsim netdevsim472 eni472np1: renamed from eth0
[ 1303.987332][T13043] Could not find device with ifindex 2000 in netnsfd 11
[ 1303.989761][T13043] Could not find netns with fd: 2000
[ 1303.990759][T13043] Cannot link a netdevsim to itself
[ 1303.991840][T13043] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).