[  815.346805][T15767] netdevsim netdevsim493 eni493np1: renamed from eth0
[  815.368995][T15770] netdevsim netdevsim583 eni583np1: renamed from eth1
[  816.020842][T15755] Could not find device with ifindex 2000 in netnsfd 11
[  816.021635][T15755] Could not find netns with fd: 2000
[  816.022212][T15755] Cannot link a netdevsim to itself
[  816.023207][T15755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).