[ 1227.379126][T11143] netdevsim netdevsim700 eni700np1: renamed from eth1
[ 1227.475817][T11145] netdevsim netdevsim304 eni304np1: renamed from eth0
[ 1230.710320][T11137] Could not find device with ifindex 2000 in netnsfd 11
[ 1230.711067][T11137] Could not find netns with fd: 2000
[ 1230.711662][T11137] Cannot link a netdevsim to itself
[ 1230.712360][T11137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).