[ 1255.690428][T12788] netdevsim netdevsim704 eni704np1: renamed from eth1
[ 1255.808332][T12790] netdevsim netdevsim437 eni437np1: renamed from eth0
[ 1258.411087][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1258.412249][T12778] Could not find netns with fd: 2000
[ 1258.413190][T12778] Cannot link a netdevsim to itself
[ 1258.415059][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).