[ 1242.570763][T11136] netdevsim netdevsim574 eni574np1: renamed from eth1
[ 1242.674715][T11137] netdevsim netdevsim439 eni439np1: renamed from eth0
[ 1245.890427][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1245.891203][T11129] Could not find netns with fd: 2000
[ 1245.891763][T11129] Cannot link a netdevsim to itself
[ 1245.892416][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).