我需要从此输入中获取地址族，但我不想采用哪个地址族包含vrf。例如。我想要ipv4，ipv4 mdt。但不是ipv41，因为它在该行（地址族）中包含vrf
这是输入：
!
address-family ipv4
bgp scan-time 30
exit-address-family
!
address-family ipv4 mdt
neighbor RR send-community both
neighbor abc_RP send-community both
neighbor 1.2.3.4 activate
neighbor 1.3.7.9 activate
exit-address-family
!
address-family ipv41 vrf eNB_MM1_eX2_CP
redistribute connected
exit-address-family
！