From 80078e0eb27225c0a6558eb1e6d4f43588f8682f Mon Sep 17 00:00:00 2001 From: Vjaceslavs Klimovs Date: Sat, 13 Jun 2026 22:09:37 -0700 Subject: [PATCH] link: only set IPv6 token when it changed --- libifstate/link/base.py | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/libifstate/link/base.py b/libifstate/link/base.py index 1b525b6..1f0e36a 100644 --- a/libifstate/link/base.py +++ b/libifstate/link/base.py @@ -768,6 +768,7 @@ class Link(ABC): old_state = self.iface['state'] has_link_changes = False has_state_changes = False + has_token_changes = False for setting in self.settings.keys(): differs = False @@ -808,6 +809,7 @@ class Link(ABC): self.token, extra={'iface': self.settings['ifname'], 'netns': self.netns}) has_link_changes = True + has_token_changes = True has_ethtool_changes = set() if not self.ethtool is None: @@ -852,8 +854,9 @@ class Link(ABC): if not 'state' in self.settings: self.settings['state'] = 'up' - # set token if supported - if do_apply and self.iface['flags'] & IFF_NOARP == 0: + # set token only when it actually changed (avoids spurious + # EINVAL on ifaces that reject tokens, e.g. accept_ra=0) + if do_apply and has_token_changes: try: self.netns.ipr.link('set', index=self.idx, -- 2.53.0