panic: runtime error: index out of range [1] with length 1

[NobinPegasus]

When I try to run it. It shows:

pegasus@pegasus:~/Documents/proxify$ sudo ./proxify -b
panic: runtime error: index out of range [1] with length 1

goroutine 1 [running]:
main.main()
	/home/pegasus/Documents/proxify/cmd/proxy/main.go:99 +0x6e5

pegasus@pegasus:~$ uname -a
Linux pegasus 6.4.0-060400-generic #202306271339 SMP PREEMPT_DYNAMIC Tue Jun 27 14:26:34 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
pegasus@pegasus:~$ cat /etc/os-release 
PRETTY_NAME="Ubuntu 23.10"
NAME="Ubuntu"
VERSION_ID="23.10"
VERSION="23.10 (Mantic Minotaur)"
VERSION_CODENAME=mantic
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=mantic
LOGO=ubuntu-logo

pegasus@pegasus:~$ bpftool --version
bpftool v7.3.0
using libbpf v1.3
features: llvm, skeletons