[  484.971127] netdevsim netdevsim446 eni446np1: renamed from eth0
[  485.071936] netdevsim netdevsim601 eni601np1: renamed from eth1
[  485.443820] Could not find device with ifindex 2000 in netnsfd 11
[  485.443970] Could not find netns with fd: 2000
[  485.444052] Cannot link a netdevsim to itself
[  485.444155] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).