[ 1230.006837][T11146] netdevsim netdevsim492 eni492np1: renamed from eth0
[ 1230.101458][T11145] netdevsim netdevsim602 eni602np1: renamed from eth1
[ 1233.336265][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.337003][T11138] Could not find netns with fd: 2000
[ 1233.337593][T11138] Cannot link a netdevsim to itself
[ 1233.343443][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).