net.ipv6.conf.syz_tun.router_solicitations = 0
ip: invalid argument 'add' to 'ip'
command 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin ip neigh add 172.20.20.187 lladdr aa:aa:aa:aa:aa:bb dev syz_tun nud permanent' failed: 256 (errno 1)
loop failed (errno 0)
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0x4fab89]

goroutine 23 [running]:
main.(*Context).printCallResults(0x0, 0x578475)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:177 +0x29
main.(*Context).execute(0xc000058310, 0x4, 0x0, 0xc0000a84c0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:152 +0x345
main.(*Context).run(0xc000058310, 0x0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:123 +0xc5
main.main.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:86 +0x5c
created by main.main
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:84 +0x47c
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0x4fab89]

goroutine 19 [running]:
main.(*Context).printCallResults(0x0, 0x578475)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:177 +0x29
main.(*Context).execute(0xc000058310, 0x0, 0x0, 0xc0000a84c0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:152 +0x345
main.(*Context).run(0xc000058310, 0x0)
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:123 +0xc5
main.main.func1()
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:86 +0x5c
created by main.main
	/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:84 +0x47c