[ 1292.998245][T11140] netdevsim netdevsim638 eni638np1: renamed from eth1
[ 1293.002967][T11139] netdevsim netdevsim324 eni324np1: renamed from eth0
[ 1296.728542][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1296.729513][T11131] Could not find netns with fd: 2000
[ 1296.730272][T11131] Cannot link a netdevsim to itself
[ 1296.730964][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).