Answer by amera for warning: no inet socket available: No such file or directory

here is the output

spiral@localhost:~$ strace ifconfig  2>&1 |grep ENOENTproot warning: ptrace request 'PTRACE_???' not supported yetfaccessat(AT_FDCWD, "/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/ax25", R_OK) = -1 ENOENT (No such file or directory)                                                           faccessat(AT_FDCWD, "/proc/net/nr", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/rose", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/ipx", R_OK) = -1 ENOENT (No such file or directory)                                                            faccessat(AT_FDCWD, "/proc/net/appletalk", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/sys/net/econet", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/sys/net/ash", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/x25", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/ax25", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/nr", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/rose", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/ipx", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/appletalk", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/sys/net/econet", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/sys/net/ash", R_OK) = -1 ENOENT (No such file or directory)faccessat(AT_FDCWD, "/proc/net/x25", R_OK) = -1 ENOENT (No such file or directory)spiral@localhost:~$