[ 1038.812392][T12683] netdevsim netdevsim520 eni520np1: renamed from eth1
[ 1038.924374][T12732] netdevsim netdevsim455 eni455np1: renamed from eth0
[ 1040.749737][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.750844][T12727] Could not find netns with fd: 2000
[ 1040.751695][T12727] Cannot link a netdevsim to itself
[ 1040.752616][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).