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Josh Bleecher Snyder ad5e04249b wgengine/monitor: ignore adding/removing uninteresting IPs ... One of the most common "unexpected" log lines is: "network state changed, but stringification didn't" One way that this can occur is if an interesting interface (non-Tailscale, has interesting IP address) gains or loses an uninteresting IP address (link local or loopback). The fact that the interface is interesting is enough for EqualFiltered to inspect it. The fact that an IP address changed is enough for EqualFiltered to declare that the interfaces are not equal. But the State.String method reasonably declines to print any uninteresting IP addresses. As a result, the network state appears to have changed, but the stringification did not. The String method is correct; nothing interesting happened. This change fixes this by adding an IP address filter to EqualFiltered in addition to the interface filter. This lets the network monitor ignore the addition/removal of uninteresting IP addresses. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>		3 years ago
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bench	types/netmap: use key.NodePublic instead of tailcfg.NodeKey.	3 years ago
filter	all: use testingutil.MinAllocsPerRun	3 years ago
magicsock	net/netns: thread logf into control functions	3 years ago
monitor	wgengine/monitor: ignore adding/removing uninteresting IPs	3 years ago
netstack	go.mod: bump inet.af/netstack	3 years ago
router	wgengine/router: demote TestDebugListRules fail to skip	3 years ago
wgcfg	wgengine/wgcfg: recover from mismatched PublicKey/Endpoints	3 years ago
wglog	wgengine/wgcfg: convert to use new node key type.	3 years ago
winnet	wgengine/winnet: don't build on non-windows	4 years ago
mem_ios.go	go.mod: upgrade wireguard-windows, de-fork wireguard-go	4 years ago
pendopen.go	tailcfg: use key.NodePublic in wire protocol types.	3 years ago
userspace.go	wgengine{,/router}: annotate some more errors	3 years ago
userspace_ext_test.go	go.mod: upgrade wireguard-windows, de-fork wireguard-go	4 years ago
userspace_test.go	tailcfg: use key.NodePublic in wire protocol types.	3 years ago
watchdog.go	all: replace tailcfg.DiscoKey with key.DiscoPublic.	3 years ago
watchdog_test.go	all: close fake userspace engines when tests complete	3 years ago
wgengine.go	all: replace tailcfg.DiscoKey with key.DiscoPublic.	3 years ago