[ 1296.451368][T11136] netdevsim netdevsim668 eni668np1: renamed from eth1
[ 1296.573166][T11138] netdevsim netdevsim478 eni478np1: renamed from eth0
[ 1300.115138][T11130] Could not find device with ifindex 2000 in netnsfd 11
[ 1300.115943][T11130] Could not find netns with fd: 2000
[ 1300.116592][T11130] Cannot link a netdevsim to itself
[ 1300.117624][T11130] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).