[ 1317.181251][T12057] netdevsim netdevsim340 eni340np1: renamed from eth0
[ 1317.276411][T12058] netdevsim netdevsim620 eni620np1: renamed from eth1
[ 1320.980951][T12049] Could not find device with ifindex 2000 in netnsfd 11
[ 1320.981672][T12049] Could not find netns with fd: 2000
[ 1320.982350][T12049] Cannot link a netdevsim to itself
[ 1320.983171][T12049] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).