[ 1221.154190][T11146] netdevsim netdevsim619 eni619np1: renamed from eth1
[ 1221.176679][T11147] netdevsim netdevsim372 eni372np1: renamed from eth0
[ 1224.471246][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.471948][T11139] Could not find netns with fd: 2000
[ 1224.472488][T11139] Cannot link a netdevsim to itself
[ 1224.473372][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).