[ 1309.794089][T13020] netdevsim netdevsim640 eni640np1: renamed from eth1
[ 1309.799806][T13017] netdevsim netdevsim426 eni426np1: renamed from eth0
[ 1312.310323][T13005] Could not find device with ifindex 2000 in netnsfd 11
[ 1312.311876][T13005] Could not find netns with fd: 2000
[ 1312.312757][T13005] Cannot link a netdevsim to itself
[ 1312.313786][T13005] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).