Rely on pre-parsed IP address in BGP traps

The SNMP layer should now have properly parsed an IP address object
from the `jnxBgpM2PeerRemoteAddr` value, so the BGP trap handler no
longer needs to parse the raw value itself.

src/zino/trapobservers/bgp_traps.py

@@ -17,7 +17,6 @@
 """
 
 import logging
-from ipaddress import ip_address
 from typing import Optional, Tuple
 
 from zino.statemodels import BGPOperState, BGPPeerSession, IPAddress
@@ -73,10 +72,7 @@ def _pre_parse_trap(self, trap: TrapMessage) -> Tuple[IPAddress, BGPOperState]:
             raise MissingRequiredTrapVariables()
 
         try:
-            remote_addr = bytes(trap.get_all("jnxBgpM2PeerRemoteAddr")[0].raw_value)
-            peer = ip_address(remote_addr)
-        except ValueError:
-            raise ValueError(f"BGP transition trap received with invalid peer address: {remote_addr!r}")
+            peer = trap.get_all("jnxBgpM2PeerRemoteAddr")[0].value
         except IndexError:
             raise ValueError("BGP transition trap received without peer address")