[ 1245.809350][T12787] netdevsim netdevsim755 eni755np1: renamed from eth1
[ 1245.946626][T12786] netdevsim netdevsim328 eni328np1: renamed from eth0
[ 1248.771248][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.772480][T12773] Could not find netns with fd: 2000
[ 1248.773414][T12773] Cannot link a netdevsim to itself
[ 1248.774590][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).