[ 1233.033768][T11151] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1233.047584][T11149] netdevsim netdevsim587 eni587np1: renamed from eth1
[ 1236.498745][T11143] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.499851][T11143] Could not find netns with fd: 2000
[ 1236.500755][T11143] Cannot link a netdevsim to itself
[ 1236.501880][T11143] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).