[  812.396585][T14609] netdevsim netdevsim388 eni388np1: renamed from eth0
[  812.412558][T14611] netdevsim netdevsim543 eni543np1: renamed from eth1
[  813.049885][T14597] Could not find device with ifindex 2000 in netnsfd 11
[  813.051127][T14597] Could not find netns with fd: 2000
[  813.051540][T14597] Cannot link a netdevsim to itself
[  813.052001][T14597] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).