[ 1030.738269][T12727] netdevsim netdevsim397 eni397np1: renamed from eth0
[ 1030.850796][T12678] netdevsim netdevsim584 eni584np1: renamed from eth1
[ 1032.697615][T12722] Could not find device with ifindex 2000 in netnsfd 11
[ 1032.698569][T12722] Could not find netns with fd: 2000
[ 1032.699244][T12722] Cannot link a netdevsim to itself
[ 1032.700013][T12722] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).