[ 1210.209826][T12781] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1210.307243][T12782] netdevsim netdevsim595 eni595np1: renamed from eth1
[ 1212.881744][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1212.883619][T12773] Could not find netns with fd: 2000
[ 1212.885290][T12773] Cannot link a netdevsim to itself
[ 1212.887123][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).