[  774.041613][T14579] netdevsim netdevsim460 eni460np1: renamed from eth0
[  774.065740][T14581] netdevsim netdevsim631 eni631np1: renamed from eth1
[  774.688966][T14567] Could not find device with ifindex 2000 in netnsfd 11
[  774.689509][T14567] Could not find netns with fd: 2000
[  774.689885][T14567] Cannot link a netdevsim to itself
[  774.690322][T14567] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).