[ 1272.981536][T12863] netdevsim netdevsim446 eni446np1: renamed from eth0
[ 1273.037093][T12862] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1275.780663][T12851] Could not find device with ifindex 2000 in netnsfd 11
[ 1275.782244][T12851] Could not find netns with fd: 2000
[ 1275.783160][T12851] Cannot link a netdevsim to itself
[ 1275.784223][T12851] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).