Sometimes the network graph of LN has old IPs for some nodes. It's problem of v0.15.5 of LND. I hope that v0.16 will resolve this problem (I often moved nodes to other hardware because I am doing now an upgrade of servers hardware)
Discussion
(correction: I am using SBW)
Sadly SBW is abandoned. I am waiting for it's successor OBW to be on FDroid to upgrade.
Not sure if it uses lnd under the hood.