IPv6 counterpart of commit 7d3f3b4367f3 ("net: ipv4: Cache pmtu for
all packet paths if multipath enabled"), deferred back then:
https://lore.kernel.org/netdev/[email protected]/Patch 1 creates the PMTU exception on every path of a multipath route, patch 2 adds the IPv6 variant of the pmtu.sh multipath test, which fails without patch 1. Vladimir Vdovin (2): ipv6: Cache pmtu for all paths of a multipath route selftests: net: pmtu: Add IPv6 multipath exceptions test net/ipv6/route.c | 88 ++++++++++----- tools/testing/selftests/net/pmtu.sh | 162 +++++++++++++++++++++------- 2 files changed, 185 insertions(+), 65 deletions(-) base-commit: 98c2ad4f5d805dbc1ea436a334ee59311806a48c -- 2.56.0

