我通常使用 Firejail 在沙盒模式下使用 Firefox。有时，我在关闭浏览器时会收到警告消息，如以下消息...
firejail firefox
Reading profile /etc/firejail/firefox.profile
Reading profile /etc/firejail/disable-mgmt.inc
Reading profile /etc/firejail/disable-secret.inc
Reading profile /etc/firejail/disable-common.inc
Reading profile /etc/firejail/disable-devel.inc
Reading profile /etc/firejail/whitelist-common.inc
Parent pid 2671, child pid 2672
Blacklist violations are logged to syslog
Child process initialized
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
[Child 176] WARNING: pipe error: Broken pipe: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 709
console.log: shutdown APP_SHUTDOWN
[Parent 5] WARNING: pipe error (52): Connection reset by peer: file /build/firefox-S0wyi8/firefox-55.0.2+build1/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 353
parent is shutting down, bye...
我是否应该担心这些消息？或者这些消息是正常的吗？
提前致谢...