[ 1278.078172][T11137] netdevsim netdevsim489 eni489np1: renamed from eth0
[ 1278.185638][T11136] netdevsim netdevsim662 eni662np1: renamed from eth1
[ 1281.747193][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1281.747903][T11129] Could not find netns with fd: 2000
[ 1281.748470][T11129] Cannot link a netdevsim to itself
[ 1281.753559][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).