[ 1222.305797][T11128] netdevsim netdevsim469 eni469np1: renamed from eth0
[ 1222.337222][T11129] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1225.621701][T11120] Could not find device with ifindex 2000 in netnsfd 11
[ 1225.622427][T11120] Could not find netns with fd: 2000
[ 1225.623018][T11120] Cannot link a netdevsim to itself
[ 1225.623761][T11120] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).