[ 1033.402195][T12125] netdevsim netdevsim328 eni328np1: renamed from eth0
[ 1033.482156][T12126] netdevsim netdevsim621 eni621np1: renamed from eth1
[ 1035.277663][T12548] Could not find device with ifindex 2000 in netnsfd 11
[ 1035.279110][T12548] Could not find netns with fd: 2000
[ 1035.280012][T12548] Cannot link a netdevsim to itself
[ 1035.281008][T12548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).