[ 1016.880455][T12643] netdevsim netdevsim397 eni397np1: renamed from eth0
[ 1016.925641][T12640] netdevsim netdevsim678 eni678np1: renamed from eth1
[ 1018.723501][T12720] Could not find device with ifindex 2000 in netnsfd 11
[ 1018.724600][T12720] Could not find netns with fd: 2000
[ 1018.725460][T12720] Cannot link a netdevsim to itself
[ 1018.726297][T12720] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).