[  526.689231] netdevsim netdevsim270 eni270np1: renamed from eth0
[  526.785136] netdevsim netdevsim758 eni758np1: renamed from eth1
[  527.038882] Could not find device with ifindex 2000 in netnsfd 11
[  527.039077] Could not find netns with fd: 2000
[  527.039177] Cannot link a netdevsim to itself
[  527.039321] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).