また、以下のようにseq変えて設定してもほぼ同じログが出ます。
access-list [outside_cryptomap_1] extended permit ip 192.168.10.0 255.255.255.0 192.168.1.0 255.255.255.0
crypto map [outside_map] 1 match address [outside_cryptomap_1]
crypto map [outside_map] 1 set pfs
crypto map [outside_map] 1 set peer [ＲＴＸ(1)のGlobal IP]
crypto map [outside_map] 1 set ikev1 transform-set [FirstSet]
crypto map [outside_map] 1 set reverse-route
crypto map [outside_map] interface [outside]

access-list [outside_cryptomap_2] extended permit ip 192.168.10.0 255.255.255.0 192.168.2.0 255.255.255.0
crypto map [outside_map] 2 match address [outside_cryptomap_2]
crypto map [outside_map] 2 set pfs
crypto map [outside_map] 2 set peer [ＲＴＸ(1)のGlobal IP]
crypto map [outside_map] 2 set ikev1 transform-set [FirstSet]
crypto map [outside_map] 2 set reverse-route
crypto map [outside_map] interface [outside]

402116||IPSEC: Received an ESP packet (SPI= 0x0C398269, sequence number= 0x36) from [ＲＴＸ(1)のGlobal IP] (user= [ＲＴＸ(1)のGlobal IP]) to [ＡＳＡのGlobal IP].
The decapsulated inner packet doesn't match the negotiated policy in the SA.
The packet specifies its destination as 192.168.10.10, its source as 192.168.2.10, and its protocol as icmp.
The SA specifies its local proxy as 192.168.10.0/255.255.255.0/ip/0 and its remote_proxy as 192.168.1.0/255.255.255.0/ip/0.

ログが言ってる事はなんとなく分かるのですが、それを解決する方法が検討も付きません...