[ 1245.997118][T11142] netdevsim netdevsim388 eni388np1: renamed from eth0
[ 1246.093118][T11141] netdevsim netdevsim719 eni719np1: renamed from eth1
[ 1249.522282][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.523039][T11134] Could not find netns with fd: 2000
[ 1249.523644][T11134] Cannot link a netdevsim to itself
[ 1249.524585][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).